Answer:
Giraffes probably used to have short necks. Over time, since the branches of trees or plants were out of their reach, they adapted to this by having a longer neck. Those with longer necks are able to reach the food and eat it that those with short necks could not. Obviously, those with longer necks are able to survive and therefore reproduce. Because of reproduction, they are able to pass on this characteristic that allowed them to survive on to their offspring. This leads to offspring doing the same and over time, affecting the entire population of giraffes and soon evolving giraffes. This is natural selection doing its work in the evolution of long necks in giraffes.
Explanation:
Variation. Organisms (within populations) exhibit individual variation in appearance and behavior. These variations may involve body size, hair color, facial markings, voice properties, or number of offspring. On the other hand, some traits show little to no variation among individuals—for example, number of eyes in vertebrates.
Inheritance. Some traits are consistently passed on from parent to offspring. Such traits are heritable, whereas other traits are strongly influenced by environmental conditions and show weak heritability.
High rate of population growth. Most populations have more offspring each year than local resources can support leading to a struggle for resources. Each generation experiences substantial mortality.
What is the structure and function of a gene?
A protein that transcribes DNA to make RNA.
A type of RNA that builds proteins.
A segment of DNA that codes for a specific protein.
A sequence of amino acids that codes for a segment of RNA.
JUST MOR DUM SCHOOL WRK
Which of the following would cause the most soil to erode away?
A.
having very little rainfall for a year
B.
planting new trees in a flat area.
C.
pulling out plants and leaving the ground bare
D.
putting heavy rocks over the ground
HELP ME IF YOU DARE.
When the earth is exposed to high winds, heavy rains, and moving water, soil erosion predominantly takes place. Some human activities, like farming and clearing land, make the soil more prone to erosion, hence option D is correct.
What is soil erosion?Due to its abundance and strength, running water is the main contributor to soil erosion. Because wind can take up soil and carry it great distances, the wind is another major contributor to soil erosion.
Activities that enhance erosion include those that clear vegetation, disrupt the soil, or let it dry out.
Therefore, the soils that contain the most particles of a medium (silt) size are the ones that are most prone to erosion, hence option D is correct.
Learn more about soil, here:
https://brainly.com/question/9837143
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Jack described the functions of two human body organs and labeled them A and B. Look at the table and select which of the following correctly identifies the organs.
Table with columns A and B. Column A incudes the text: made of a muscle that works on its own and pumps blood to all parts of the body, while column B includes the text: communicates with all parts of the body and processes information
A is the brain and B is the pancreas
A is the heart and B is the brain
A is the lungs and B is the stomach
A is the stomach and B is the heart
Answer:
A is the heart and B is the brain
What is this structure and what does it do for the animal? (2 points)
a
The exoskeleton, which produces the egg for the female animal
b
The exoskeleton, which protects the internal organs of the animal
c
The skeleton, which protects the internal organs of the animal
d
The skeleton, which works with muscles to allow movement of the animal
Answer:
The answer is B
Explanation:
The exoskeleton of the shrimp helps protects the internal organs of the animal.
1. All ____________ organisms are composed of ______ or _______ cells.
PLS NOR RUBBISH ANSWERS, NO LINKS, AND I'LL MARK BRAINLIEST!!!!!!!
pls someone help me out I've been stuck on this for like an hour ill give all my points
Describe how light and sound waves are affected when they move from air to water.
Answer:
When the light wave moves from air to water, it slows down. This change in speed causes the light wave to bend. Refraction is the change in direction of a wave when it changes speed as it travels from one material to another.
Explanation:
The light wave slows down when it transitions from air to water. The light wave bends as a result of this velocity change. When a wave changes speed while moving from one substance to another, it changes direction, which is known as refraction.
What is refraction?Refraction is defined as a wave's shift in speed causes it to alter direction as it travels from one medium to another. Since the densities of glass and air are different, a line or spot of ink on a piece of paper will always appear to be raised when viewed through the glass slab. Due to light refraction, a coin or stone that is at the bottom of a container filled with water appears to be lifted.
A sound wave's characteristics will alter when it passes from air to water. Because crests move away from the boundary quicker than they move up to the boundary, the wave speed will increase when the wave crosses the boundary into the sea, increasing the distance between crests (the wavelength).
Thus, the light wave slows down when it transitions from air to water. The light wave bends as a result of this velocity change. When a wave changes speed while moving from one substance to another, it changes direction, which is known as refraction.
To learn more about refraction, refer to the link below:
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1. All _____ organisims are composed of ____ or ____ cells
2. The cell is the ____ unit of structure and _____ for all ______.
3. ___ cells are created by the division of ___ cells
2. The cell is the ___________ unit of structure and ____________ for all _____________.
PLS ANSWER QUICKLY
WILL GIVE BRAINLIEST
basic
blocks
living things
Answer:
the cell is the basic unit of structure and organization for all organisms
Betty is sitting on of her surfboard out in the ocean. She is waiting for the perfect wave to come along so she can ride it in to shore. As she waits, she notices that the waves roll by in patterns, or sets.
Betty sees a large speed boat pass in the distance. The boat’s motion causes small waves to form and travel outward. What will most likely happen as the larger ocean waves approach the waves created by the boat?
a
The waves will momentarily create a new wave with a crest higher than the original waves.
b
The waves will combine and continue moving in the direction of the larger wave.
c
The waves will cancel each other out and make the water flat.
d
The waves will meet and then move in opposite directions.
Answer:
the answer you are looking for is b
Use the drop-down menus to complete each statement. The process of cellular respiration___ . Photosynthesis allows organisms to harvest the Sun’s energy to produce___
Answer:
1
2 glucose
Explanation:
Bucause plants intake sunlight, water, carbondioxide and choropast to produce oxygen and glucose.
Answer:
1. oxygen
2. glucose
I need help pls I hard
Answer:
For #7 Sunlight is not required
HELP ME!!! Mutations can affect the structure and function of an organism. Give an example of a mutation that could cause a phenotype that makes an organism better suited for its environment.
Answer:
A fox coat becoming white in a tundra environment.
Explanation:
A phenotype is the traits of an animal we can see with our eyes. This can be color, limbs, size, ect. For your question it's basically asking you to name a change in a animal that will allow it to work better in it's environment.
can u name this ? plssssssssssssssssss
What are some of the ways technologies invented for war can be repurposed for agricultural use?
Plz help ill give brainliest
Answer:
the dominant get capital letters and the recessive get lowercase letters
Explanation:
Its that way because dominant is always there so it gets the big letter as to where the recessive letter gets the little letter because it really only shows if there are both recessive alleles but if there is a dominant there will always be a big letter and that dominant phenotype will always show.
Select the food chain that correctly relates the organisms from the primary consumer to the tertiary consumer
Grass, Lion, Antelope, Vulture
Grass, Antelope, Vulture, Lion
Grass, Vulture, Antelope, Lion
Grass, Antelope, Lion, Vulture
Answer:
Grass, Antelope, Lion, Vulture
Explanation:
The image explains it better than I can
Describe how the organization of a multicellular organism (eukaryotic) helps it function: (Hint; think of the order of cells to systems)
Water from the soil is absorbed by a plant. Eventually, it ends up in the air as water vapor. List the parts of the plant that it passes through on this journey.
Answer:
Root hair -> rootstem -> xylem -> veins -> leaf -> stomata
Explanation:
Root hair -> rootstem -> xylem -> veins -> leaf -> stomata
________ cells are created by the division of _______________ cells.
Answer:
Daughter cells are created by the division of mother cells. (Mitosis)
I'm assuming that this is what you mean?
do not rob points plz help me this is a lot of points
Answe
for 12, the possiblility of the child having widows peak is 100% and the possibility of it having no widow peak 0%. For 13, The probability of the child having a widow's peak is 75%. The possibility of the child not having one is 25%. Hope this helps.
Answer: 100%, 0%, 75%, 25%
Explanation:
For 1 and 2, All of the genotypes have 1 capital which makes it widows peak 100 %, hairline 0 %. For 3 and 4, one of the genotypes have both lowercase (tt), which makes it 25 % chance of getting a straight hairline.
Please i need help asap i will do 30 points it is a weather question the only thing i know is that you have to add them all up and put them to percentages like 20/80 = 25%
Answer:
Drought is 19%
Flooding is 9%
Freeze is 2%
Severe storm is 15%
Tropical cyclone is 48%
Wildfire is 3%
Winter storm is 4%
Explanation:
220 + 108 + 25 + 178 + 550 +31 + 41 = 1153
Basically, you take the number of each natural disaster plus it all together. That is your total.
You then take individually the number and divide it by the total (1153), once you get a decimal number you times it by 100. Which give you the percent
You then do this for the rest of the other natural disasters.
Hoped this helped!