Answer:
Meiosis is the start of the process of how a baby grows. Normally, meiosis causes each parent to give 23 chromosomes to a pregnancy. When a sperm fertilizes an egg, the union leads to a baby with 46 chromosomes.
The moon's relative motion causes
A)
ocean tides.
B)
wind currents.
the phases of the Moon.
D)
the rotation of the Moon.
Answer: the phases of the moon
Explanation: i did it
How would adding finer particles to the sand affect porosity?
Explanation:
Porosity depends on the size, shape, and mixture of grains and particles that compose soil and rock. For instance, small particles such as clays can compact more closely together, reducing the amount of porosity. However, larger particles such as sand and gravel will have more spaces available between them.
List the effects of collecting and burning fossil fuels.
Answer:
mix with rain water in clouds and form acids
release unburnt carbon particles
This cause asthma
habitat destruction increased
volcanic activity air pollution add to greenhouse effect water pollution
major driver of climate change
creates climate change and releases pollutants that lead to early death, heart attacks, respiratory disorders, stroke
Explanation:
What are the 3 main characteristics of populations?
Answer:
Population Size and Density: Total size is generally expressed as the number of individuals in a population. ...
Population dispersion or spatial distribution: ...
Age structure: ...
Natality (birth rate): ...
Mortality (death rate):
Explanation:
Answer:
Size, Spatial Distribution and age structure or, birth and death rates.
Explanation:
Demography is the study of a population, the total number of people or organisms in a given area. Understanding how population characteristics such as size, spatial distribution, age structure, or birth rates change over time can help scientists and/or governments.
PSYCH Having a family history involving anxiety disorder, experiencing or witnessing a traumatic event, or having a history of abuse are all __________ of anxiety disorders.
A. common symptoms
B. risk factors
C. causes
D. thinking styles
The answer is B. RISK FACTORS
Having a family history involving anxiety disorder, experiencing or witnessing a traumatic event, or having a record of abuse are all risk factors of anxiety disorders.
Which type of anxiety disorder could be connected to traumatic past events?Post-traumatic stress disorder is a cognitive health disorder that's begun by a scary event either sharing it or witnessing it.
Signs may include flashbacks, demons and severe anxiety, as well as unruly thoughts about the affair.
Thus, option "B" risk factors is correct.
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Michael discovers that a fish breathes less often in cool water. He correctly hypothesizes that A. the fish slows down in cool water, and does not need as much oxygen. B. the fish is eating, and does not have time to breathe as much. C. the fish is sleeping, and does not need as much oxygen. D. there is less oxygen in cool water, so the fish breathes slowly.
Answer: then it’s d there is less oxygen in cool water
Explanation:
There are many explanations for Michael's observation that fish breathe less frequently in cold water. However, his hypothesis that the fish returns to the cold water and requires less oxygen seems possible.
What type of animals fish are?Fish are cold-blooded animals, which means their environment controls their body temperature. Their metabolic rate, activity level, and oxygen requirements decrease as water temperatures drop.
As a result, fish can slow down in cold water, reducing their oxygen demand and reducing their breathing rate. Oxygen solubility may also play a role in whether fish breathe less in cold water. As the water temperature decreases, the ability of oxygen to dissolve in the water also decreases. Because of this, cold water can have less oxygen available, which can cause fish to breathe more slowly to compensate for the lack of oxygen.
Because fish need oxygen to digest food, they are likely to eat and breathe less. It's basically a joke that the fish are resting because fish don't have an obvious resting cycle and will move and swim when they are resting.
Finally, Michael's hypothesis that fish breathe less in cold water is plausible as it suggests that fish slow down and don't need as much oxygen.
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The exchange of gases and other materials between cells in the body and cells in the blood
occurs in...
A. stomach
B. capillaries
C. arteries
D. veins
Which of the following was a control variable in this experiment?
A Type of soil
B Amount of water
C Height of plants
Answer:
b
Explanation:
mark me as brainleist answer
What are the major changes that occur after puberty?
Answer:
The following are additional changes that may happen for the male as he experiences the changes of puberty: His body size will increase, with the feet, arms, legs, and hands sometimes growing faster than the rest of the body. This may cause the adolescent boy to experience a time of feeling clumsy.
Explanation:
Why the Carbon must be cycled through the carbon cycle?
Answer:
The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Since our planet and its atmosphere form a closed environment, the amount of carbon in this system does not change.
The reactions of glycolysis that are shared with those in gluconeogenesis (ie use the same enzymes) are those that: Are substrate level phosphorylations Are irreversible. Are regulated steps. Operate close to equilibrium. g
Answer:
The reactions of glycolysis that are shared with those in gluconeogenesis (ie use the same enzymes) are those that Are regulated steps.
Explanation:
Glycolisis and gluconeogenesis are two mechanisms related to the carbohydrates metabolism. Sometimes they are considered reverse processes. However, they are different because of the control points they have where reactions are irreversible.
Glycolisis and gluconeogenesis share 7 common reactions, that are reversible. Thses reactions are coordinated and regulated by F-2 and 6-BP as the answer to the hormonal action.
Glycolisis happens in the muscle, while Gluconeogenesis happens in the liver. Together they form the "Cori Cycle".
Scientists analyzed data collected over a period of years in a game reserve in South Africa to test the hypothesis that competition with lions limits the abundance of leopards in the same community. The game reserve encompasses a variety of habitats, from open grassland to wooded areas around rivers and streams. It contains most of the indigenous mammal species and an adequate availability of their prey. For the most part, the leopards and lions show similar habitat preferences in the reserve.
The mass of the average lion is about three times that of the average leopard. The scientists analyzed several factors that might influence the abundance of each population, including the sizes of the animals preyed on by each species
Size of Prey Animal Percent of Leopards’ Prey (±2SEx¯) Percent of Lions’ Prey (±2SEx¯)
Small 34 ± 2 3 ± 1
Medium 63 ± 3 23 ± 2
Large 3 ± 1 36 ± 4
Very large 0 38 ± 3
Because competition with lions might affect the population size of the leopards, the scientists also analyzed data on the lion and leopard population sizes in the game reserve (Figure 1).
Required:
Describe what scientists mean when they refer to an ecological community such as that shared by the leopards and lions.
Answer:
The correct answer would be - these are the ecological community that shows the interspecific competition.
Explanation:
In this ecological community, both predators lion and leopards are living together and by the given data and information it is evident that they both share the same habitat and they both depend on the same prey for their food.
This cause competition between both lion and leopard for food and habitat. Such competition or interaction is referred to as the interspecific competitions negatively impacted by the presence of the other because they will have less food.
Answer
An ecological community refers to all of the interacting populations in a defined habitat.
Explanation:
see above
during which time frames was there the greatest rate of change in atmospheric C02 concentration
Answer:
7000 PPM
Explanation:
7000 PPM i'm pretty sure
The extensive size of the fires that burned Yellowstone National Park in 1988 caught both land managers and ecologists by surprise. Many forests suffered intense infernos that removed virtually all vegetation. Some speculated that the park would never recover. Based on what you learned and disturbance and succession, is it likely that the park was irrevocably altered
Answer:
It is not possible that the park has been irrevocably altered.
Explanation:
The fires are part of the ecology of Yellowstone National Park, and there is a very low risk that this park will be irreversibly modified after a fire. It is scientifically proven that Yellowstone has recovered from fires in a period of thirty years and that the risk of this recovery not happening is very low. In addition, the natural fires that occur in Yellowstone are, in a way, important for the maintenance of the park's ecosystem, since they are able to break the seed dormancy that are in the soil, in addition to promoting the opening of the serine pine cones.
Seed dormancy is the difficulty of germinating that some seeds present, even in an environment with favorable conditions for germination.
what signals the end of the cell cycle
What do you think of when you hear the word heat?
Answer:
A Fireplace, the desert heat or the song "heat"
Explanation:
Answer:
ice cream and ac, heat comes to my mind as heat wave and those are horrible... they are monsters
Explanation:
Define surface tension??
Answer:
[tex]\huge\boxed{Answer\hookleftarrow}[/tex]
⎇ Surface tension could be defined as the property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of the water molecules.
____________________
ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
# ꧁❣ RainbowSalt2²2² ࿐
[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]
What's surface tension?[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]
Okay, so surface tension is the energy which is required to increase the surface area of a liquid due to intermolecular forces. The formula for surface tension is :-[tex] \boxed{ \boxed{ \sf\gamma = \frac{1}{2} . \frac{f}{l} }} \\ [/tex]
Here,
gamma = surface tension
f = force
l = length
Question 20 of 34
Which situation shows a nonrenewable resource in use?
A. Solar energy reaches Earth's surface.
B. Sunflowers grow from sunflower seeds.
O c. Computer chips are made from silicon.
D. Lobsters are caught off the coast of Maine.
Answer:
c. Computer chips are made from silicon.
Explanation:
Non-renewable resources are natural substances that cannot be easily replenished when used. Examples are natural gas, coal, oil, nuclear energy, etc. Silicon is made when Silica is heated with carbon after which the product is reacted with hydrocarbons to polymerize them. Since the hydrocarbons are made from oil and natural gas, the resulting product is non-renewable.
Chips made from silicon are not biodegradable because to reuse them, they must be sent to companies that have specialty in renewing them.
DNA sequence that codes for glycine
antipyretics such as ibuprofen and acetaminophen work in which of the following manners?
Answer:
Decrease production of prostaglandins
Explanation:
PLEASE HELP AND EXPLAIN (NO LINKS OR NO RANDOM ANSWERS FOR POINTS)
what happens to a animal cell placed in a hypotonic solution
Answer:
If you place an animal or a plant cell in a hypertonic solution, the cell shrinks, because it loses water ( water moves from a higher concentration inside the cell to a lower concentration outside ). ... A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.
Explanation:
Hypotonic solution is a solution which, contains lesser solute concentration. If animal and plant cells are kept in a hypotonic solution then endosmosis will occur. Endosmosis is a process in which the water molecules move from outside of the cell of lower solute concentration to the inside of the cell of higher solute concentration through the cell membrane or cell wall. Due to endosmosis, both animal and plant cells will swell.
Biodiversity is highest near the __________.
A. the poles
B. oceans
C. temperate zone
D. equator
Answer:
equator
Explanation:
Can we depend on nonrenewable energy resources for our energy needs?
Answer:by
Explanation:
Answer:
Explanation: The answer is yes we can. We are depending on them now and they supply most of our needs to live.
Hope this helps and feel free to copy and paste it :)
1. Does the insect have wings? a. Yes………………………………………………………………………… go to step 2 b. No…………………………………………………………………………. Order Hemiptera 2. Does the insect have parallel wings? (hint: Parallel wings don’t stick out to the side) a. Yes……………………………………………………………………………… go to step 3 b. No………………………………………………………………………………. go to step 4 3. Does the insect have a parallel line down the back that divides the wings? a. Yes…………………………………………………………………………… Order Coleoptera b. No …………………………………………………………………………… Order Orthoptera 4. Does the insect have 4 total wings? a. Yes………………………………………………………………………………… go to step 5 b. No………………………………………………………………………………… Order Diptera 5. Does the insect have long antennae? a. Yes………………………………………………………………………………go to step 6 b. No……………………………………………………………………………… Order Odonata 6. Does the insect have a small body with large fan –shaped wings? a. Yes…………………………………………………………………………… Order Lepidoptera b. No………………………………………………………………………………Order Hymenoptera
Complete question: You will find the image in the attached files
Based on the dichotomous key below, what order does this insect belong to?
1. Does the insect have wings?
a. Yes………………………………………………………………………… go to step 2
b. No…………………………………………………………………………. Order Hemiptera
2. Does the insect have parallel wings? (hint: Parallel wings don’t stick out to the side)
a. Yes……………………………………………………………………………… go to step 3
b. No………………………………………………………………………………. go to step 4
3. Does the insect have a parallel line down the back that divides the wings?
a. Yes…………………………………………………………………………… Order Coleoptera
b. No …………………………………………………………………………… Order Orthoptera
4. Does the insect have 4 total wings?
a. Yes………………………………………………………………………………… go to step 5
b. No………………………………………………………………………………… Order Diptera
5. Does the insect have long antennae?
a. Yes………………………………………………………………………………go to step 6
b. No……………………………………………………………………………… Order Odonata
6. Does the insect have a small body with large fan –shaped wings?
a. Yes…………………………………………………………………………… Order Lepidoptera
b. No………………………………………………………………………………Order Hymenoptera
Answer:
ORDER ODONATA
Explanation:
It is simple to read a dichotomous key. You only need to understand the technical terminology and to detailed observe your specimen. The key will lead you to the answer.
1. Does the insect have wings?
a. Yes………………………………………………………………………… go to step 2
b. No…………………………………………………………………………. Order Hemiptera
We only need to answer this question by looking at the image. In our example, yes, the insect has wings. So we need to go to question number two. Note: In the hypothetical case that the insect would not have wings, it would belong to the Hemiptera order.
2. Does the insect have parallel wings? (hint: Parallel wings don’t stick out to the side)
a. Yes……………………………………………………………………………… go to step 3
b. No………………………………………………………………………………. go to step 4
Ok, here it tells you that parallel wings do not stick out to the side. But in our example, wings do stick out, so the answer should be NO. This species does not have parallel wings. As it is a NO, we go to question number 4.
Note: In the hypothetical case that the insect would have parallel wings, we should read number 3.
4. Does the insect have 4 total wings?
a. Yes………………………………………………………………………………… go to step 5
b. No………………………………………………………………………………… Order Diptera
This one is easy. How many wings our specimen has? Four. Then it is a YES, and we go to question number 5. Note: In the hypothetical case that the insect would not have 4 wings, it would belong to the Diptera group.
5. Does the insect have long antennae?
a. Yes………………………………………………………………………………go to step 6
b. No……………………………………………………………………………… Order Odonata
Our insect has very short antennae. They are not long at all. So, the answer is NO, the insect does not have long antennae. This answer leads us directly to the order of our individual. ORDER ODONATA. Note: In the hypothetical case that the insect would have long antennae, we should read question number 6. And so on until we would reach the order.
ORDER ODONATA:
Dragonflies belong to this group. These insects characterize as having big eyes, and the separation between them depends on the species. They have an elongated abdomen, sometimes even longer than the wings. Their bodies must be robust to support the massive musculature that propels the wings during flight. The wings are long, big, and wide.
Usually, the males are much more colored than the females are.
How is drought a limiting factor?
Answer:
Answer
Explanation:
It cause for disasters like lost of crop which causes no food and starvation. It also causes farms to lose money and thus is limiting farming,the citizens,and even the economy .
What the answer for this pls
Answer:
A. Help from bystanders can mean the difference between life and death.
Explanation:
The article is talking about saving someone's life by using CPR or the Heimlich maneuver, and how to do it.
what bug is this I need to to know.
Answer:
i think beetle bug
Explanation:
the color size dont harm bad
That’s the right question
Answer:
oh cool
Explanation:
What causes more rain to fall on one side of a mountain than the other side?
Answer:
as the air moves up the windward side of a mountain
Explanation:
it cools and volume decreases.As results
humidity increases an orographic clouds and precipitation can develop