Why do you think leewenhoek was excited about what he saw

Answers

Answer 1

Answer:

what kind of quastion is this

Explanation:


Related Questions

Which structures of this organism work together to carry out all of its life
functions?
A.tissues
B.specialized
C.organ systems
D.organelles

Answers

C

Organ systems perform many of their life functions; example: respiration, digestion, excretion, transmitting nerve impulses, etc

HELP PLEASE!!!explain how Earth is heated through conduction​

Answers

As it's known conduction needs a medium for heat transfer and during the day, sunlight rays pass through the Earth's atmosphere and near the earth's surface is where most heat transfer by conduction occurs since air is a poor conductor. Thus, the sunlight hits the earth's surface(ground) and in turn heats the air above it and transfering the heat.

It must be known that conduction happens mostly near the earth's surface.

Answer:

Conduction is one of the ways that energy is transferred from the earth's atmosphere to the air. Conduction is the process by which heat energy is transmitted through collisions between neighboring molecules. Think of a frying pan set over an open camp stove.

Explanation:

which of the following is not a major step when adopting the scientific method of solving problem?

a. Analysis of data
b.Collection of experimental data
c.Formulation of a hypothesis
d.Formulation of a theory​

Answers

Answer:

d. formulation of a theory

Answer:

D. Formulation of a theory.

Explanation:

A scientific theory is a set of statements that, when taken together, attempt to explain a broad class of related phenomena.

Which statement is true about dichotomous keys?(1 point)

Dichotomous keys can only be used to classify organisms based on their habitats.

Dichotomous keys can only be used to classify organisms based on their observable traits.


Dichotomous keys can only be used if the name of the species is unknown.


Dichotomous keys can only be used if the name of the species is known.

Answers

The dichotomous key is a classification tool based on morphological characteristics. The correct option is B. Dichotomous keys can only be used to classify organisms based on their observable traits.

What is a Dichotomous key?

A dichotomous key might be considered a significantly useful tool to classify organisms.

The key provides an easy and fast way for identification by describing different morphological observable traits, leading you to the correct taxonomic classification.

The term dichotomous refers to how information is provided. You will always have two options (a and b, or 1 and 2), and you will have to choose one of them according to the characteristics of your organism.

Each time you choose an option, it leads you to the following description, which gets more specific each time.

Probably you might need an atlas or a dictionary to understand some of the technical terminologies.

You will also need to carefully observe your specimen, to get to distinguish different traits. If the specimen is too small you might need a loup.

The correct statement is B. Dichotomous keys can only be used to classify organisms based on their observable traits.

You can learn more about dichotomous key at

brainly.com/question/4292942

brainly.com/question/1938800

Answer:   1.  they lack roots  2.  Dichotomous keys can only be used to classify organisms based on their observable traits.  3.  domain  4.  Both focus on illustrating taxonomic relationships between organisms.  5.  domains

Explanation: just took the quick check made 5/5 hope this helps :)

HELP NEED ANSWER IN AT LEAST 5 MINUTES will give brainliest All of the following are apart of the cell theory except: O All cells carry out the life process O All cells within multicellular organisms are identical O All organisms are made of one or more cells O All new cells come from pre-existing cells​

Answers

Answer:

All organisms are made of one or more cells. O All cells carry out life processes. O All…

Explanation:

What organ system is responsible for Gaseous exchange between external environment and blood

Answers

Answer: That would be the Respiratory System.

Explanation:

Answer:

the respiratory system

Explanation:

5. What is the optimal pH for both enzymes in the picture? Where do you think they are found in the body? Enzyme Activity *Trypsin + Pepsin 9 11 3 十7 5 pH Figure 1. Activity levels of two digestive enzymes over a range of pH​

Answers

F Jan do his koool. Yes


An animal cell that is surrounded by fresh water
will burst because the osmotic pressure causes
A. water to move into the cell.
B. water to move out of the cell.
C. solutes to move into the cell.
D. solutes to move out of the cell.

Answers

Answer:A

Explanation:

The osmotic pressure in the animal cell is higher than that in the fresh water.

The flow of water is from low osmotic pressure to high osmotic pressure.

The water moves into the cell and then bursts.


Explain why it is not possible to make a conclusion from
this experiment.

Answers

Answer:

impossible every experiment have a conclusion

Give me info about plants and animals that live in coral reefs

Please explain in 3-4 sentences.

Thank you

Answers

Answer:

small plants ad animals tend to habit coral reefs because the sharp coral protects the animals from sharks and other predators. It also works as a ecosystem because every animal works together to provide for each other. I can t your anymore but that is the main idea of what coral does. if you can see if you can reword it into more sentences. How this helps!

One person pulls on a rope with a force of 400 N to the right. Another
person pulls on the opposite end with a force of 600 N to the left. What is
the net force?

Answers

600-400= 200N to the left.

Two forces are applied on the rope of the magnitude 400N to the right and 600N to the left, as a result of these forces the net force on the object will be 200N. Thus, the correct option is A.

What is Net force?

Net force is the resultant force of the total force which is being applied on an object. It is the sum total of the effect of all the forces on an object. Forces which are applied in opposite directions cancel out each other.

If the net force applied on an object is not zero, then it can be said that the object is not in equilibrium, and thus Newton's Second Law can be used to determine the motion of the object.

Here, two forces of different magnitudes and in opposite directions are applied on the rope to pull the rope. The forces are 400N to the right and 600N to the left.

As a result of these forces, the net force applied on the rope can be calculated by:

Net force = Difference between the forces applied in opposite directions or the sum of the forces which are applied in same direction

Net force = 600N (force applied to the left) - 400N (force applied to the right)

Net force = 200 N and the direction will be left as the magnitude is more in left direction than right

Therefore, the correct option is A.

Learn more about Net force here:

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whut is a biofultproduc

Answers

“Bioproducts or bio-based products are materials, chemicals and energy derived from renewable biological resources.”
I don’t know if this is what you were asking, but I will put it here just in case.

What was the universe immediately before the Big Bang occurred?

a black hole

a singularity

a super spiral galaxy

a mass of antimatter

Answers

the answer is a black hole

The universe immediately before the Big Bang occurred as a black hole. Thus, the correct option is A.

What is the Big bang?

The big bang may be defined as the cosmic explosion that significantly marked the initiation of the universe according to the big bang theory. The origin of the universe is explained by the Big Bang theory.

At initial, the whole universe appeared like a black hole where no life is present. It was all the dark around each and every corner. The universe was an infinite stretch of ultrahot, dense material and everything consisted of empty space.

Before the big bang, the universe was almost infinitely small, dark, and a size less than a trillionth of a second. It was a period of inflation which is followed by a more catastrophic event which was violent, and known as the period of expansion.

Therefore, the universe immediately before the Big Bang occurred as a black hole. Thus, the correct option is A.

To learn more about the Big bang theory, refer to the link:

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Coral reefs are home to a quarter of all marine species on earth. what is one consequence of declining coral reefs?

Answers

Answer:

Marine life decreases and the food chain will have e a drastic change as well

19. All species, including humans, possess ____?

Answers

Answer:

Cells, From birds to bacteria, we all have cells or are cells, depends.

Answer:

Below! : )

Explanation:

All animals are eukaryotic, multicellular organisms and most animals have complex tissue structures with differentiated and specialized tissue. Animals are heterotrophs; they must consume living or dead organisms since they cannot synthesize their own food and can be carnivores, herbivores, omnivores, or parasites.

Hope this helps! : )

research historical and present ecosystem services in tonle sap. what services depend on size and timing of annual floods? how have human activities affected those in the past

Answers

Explanation:

A floods timming is affected

what occurs if resources within a population are limited

Answers

Answer:

Explanation:

As resources are depleted, population growth rate slows and eventually stops,This is known as logistic growth.

Describe the necessary steps from observing a specimen with 4X objective lens to observing the same specimen with 100X objective lens under the light microscope.

Answers

In order to observe a specimen under 4X objective lens, the following procedures must be observed:

Set up the microscope ensuring that the lens have been adequately cleaned and the light source is workingMount the object on a slide and place the slide on the stage of a clean microscope.Switch the revolving nose piece to ensure that the 4X objective is in positionSwitch on the light sourceBring the object into focus by using coarse and fine adjustment knobs.Ensure that the image of the object is centered on the stage.

In order to observe the same specimen under the 100X objective:

Switch the revolving nose piece to fix the 100x objective in place.Only use the fine adjustment knob to bring the image into focusIf the image will not resolve properly, a few drops of immersion oil may be applied to the slide to improve resolution.

More on microscopy can be found here: https://brainly.com/question/13137774

What would most likely be the effect if an experimental design specifies only an experimental group?
1. The experiment will lack a control.
2. The experiment will lack a purpose.
3. The experiment will not be repeatable.
4. The experiment will not have variables.

Answers

I think it’s 4. But not sure.

Which statements describe the solar system ? Check all that apply.

Answers

Answer:

The solar system includes the Sun, planets, and moons.

The planets travel in orbit around the Sun.

Other planets help scientists understand Earth history.

Explanation:

I think this is what you want

Answer:

The solar system is the sun and everything that orbits around it. It includes the planets and their moons as well as numerous asteroids and comets. These objects are all held in orbit around the sun by the sun's strong gravity.

Match the organism with the biome where you would expect to see it.

Answers

Answer:

What are the 26 states of matter?

Bose–Einstein condensate.

Fermionic condensate.

Degenerate matter.

Quantum Hall.

Rydberg matter.

Rydberg polaron.

Strange matter.

Superfluid

Which of the following materials would not normally be found in glomerular filtrate?

A. Glucose
B. Urea
C. Water
D. Protein

Answers

Answer:

B

Explanation:

Lwhat is the length between basepairs in nieocleoid of e.coli

Answers

Answer:

As the length of a complete turn of a double helix is 3.4 nm long and each of them contains 10 base pairs, we can determine the distance between two consecutive pairs by simply dividing the length of the complete turn by the number of base pairs in it. The distance 3.410nm i.e. 0.34 nm. Note: Even though E.

explain why we have to reduce the number of trees being cut down​

Answers

Answer: Reasons for cutting down trees

Explanation:

Cutting trees is an essential tool for creating habitat conditions for many wildlife species, especially game species. Eighth, cutting trees is key to forest restoration efforts.

1. A severe weather watch means which of the following?* (
(1 Point)
The conditions are right for severe weather, but it is not occurring yet.
Severe weather is occurring
Severe weather has passed through and it is now safe to go outside
It is the season during which type of severe weather concerned occurs.

Answers

the answer is “the conditions are right for severe weather but it is not occurring yet”

Answer:

Its the first one because a watch means it could happen (this one is random) but if its a warning that means EVACUATE AHHHHHHHHHH.

Explanation:

Your welcome :3

A player kicks a soccer ball.
What is the reaction force?
A. The ball pushes back on the player's
foot.
B. The ground pushes back on the player.
C. The ground pushes back on the ball.

Answers

Answer:

A. The ball pushes back on the player's foot.

Explanation:

please mark brainliest.

Answer:

A. The ball pushes back on the player's foot

Explanation:

The player's foot acted with the ball, which means the ball will react.

(Newton's 3rd law: Every action has an equal and opposite reaction)

Which of the following is NOT a hypothesis?

Answers

Answer:

D. im pretty sure

Explanation:

Question 8
1 pts
s
When a person jumps off the diving board and they spread their whole body out in the
air, they will hit the water with a loud smack. This is called a "belly flop". This is due to a
unique property of water called
O capillary action
O surface tension
Odensity
O temperature
< Previous
Next >

Answers

Answer:

Surface Tension

Explanation:

A white rooster (WW) is crossed with a black-and-white-speckled hen (Ww).
The hen lays eight eggs. Draw a Punnett square to show the possible genotypes of
the chicks that will hatch.

Answers

Answer:

The genotypes are shown in purple

Hope this helps!

A white rooster (WW) is crossed with a black-and-white-speckled hen (Ww).

The hen lays eight eggs.

What is incomplete dominance?

Incomplete dominance is a form of Gene interchange in which both alleles of a gene at a locus are somewhat expressed, often resulting in a medium or separate phenotype.

It is also known as partisan dominance.

For Example in roses, the allele for red colour is dominant over the allele for white colour.

Thus, A white rooster (WW) is crossed with a black-and-white-speckled hen (Ww).

To learn more about incomplete dominance click here:

https://brainly.com/question/14053639

An -ate or -ite at the end of a compound name usually indicates that the compound contains ____.

Select one:

a.
fewer electrons than protons


b.
neutral molecules


c.
only two elements


d.
a polyatomic anion

Answers

Answer:

d.  a polyatomic anion

Explanation:

ate and -ite are commonly used for polyatomic ions of Oxygen. - ate is used for the ion that has the largest number of Oxygen atoms. the -ite would be used for the ion with the smaller. NO2 and NO3 are known as Nitrite and Nitrate respectively.

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