1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dybincka [34]
3 years ago
15

Why is it necessary for animals to have a circulatory system?

Biology
1 answer:
Elden [556K]3 years ago
6 0

Answer:

to breathe

Explanation:

You might be interested in
What is the major sink reservoirs for the nitrogen cycle?
Rudiy27

All of these components are reservoirs of carbon. The cycle is usually discussed as four main reservoirs of carbon interconnected by pathways of exchange. The reservoirs are the atmosphere, terrestrial biosphere (usually includes freshwater systems), oceans, and sediments (includes fossil fuels).

8 0
3 years ago
What is genetic chain
aleksley [76]

Answer:

A genetic chain is something your grandparents passed on to your parents, and your parents passed it on to you, and so forth!

Explanation:

4 0
3 years ago
Procedure
lana66690 [7]

The correct order of steps in an experiment would be:

  • Identify the variables.
  • Write out your hypothesis in an if/then format.
  • Gather your materials.  
  • Analyze the data.
  • Write your conclusion.

<h3>What is an experiment? </h3>

An experiment is a term to refer to the process by which a hypothesis is supported/disproved. The experiments serve to explain the cause-and-effect relationship according to the results obtained.

Experimentation has some important steps that we must follow to demonstrate our ideas regarding a scientific manifestation, these steps are:

  • Identify the variables: We must identify the factors that we can manipulate so that the result changes.
  • Write our hypothesis: Establish a hypothetical result that we are going to demonstrate.
  • Gather the materials: We must have all the materials and variables to be able to carry out our experiments.
  • Analyze the data: When we do an experiment we must record everything we see and then analyze it to examine each step and the procedures performed.
  • Write the conclusion: After analyzing the data obtained, we can write a conclusion about the experiment carried out and the result obtained.

Learn more about experiments in: brainly.com/question/9199868

5 0
2 years ago
18. How do organisms grow?
hjlf
A through cell division and production
8 0
3 years ago
Pleeeaaasssseeeeee help!
quester [9]
Provide structure and support, facilitate growth through mitosis. allow passive and active transport, produce energy, create metabolic reactions, aids in reproductive.
7 0
2 years ago
Read 2 more answers
Other questions:
  • Which biome would contain the most trees?
    7·1 answer
  • what effect does the presence of existing soil in secondary succession have on the amount of time it takes to return to the clim
    10·1 answer
  • Which of the following element determine whether a compound is organic or inorganic
    15·1 answer
  • What is the probability that a randomly selected house with 2 bathrooms has 3 bedrooms? 0.2 0.4 0.6 0.8
    7·2 answers
  • Consider a pendulum swinging. Which type(s) of energy is/are associated with the pendulum in the following instances: i. the mom
    9·1 answer
  • 14. Some substances are made of only one kind of atom. Other substances are made of more than
    9·1 answer
  • Which of the following is a way humans use trees? a. paper b. food c. wood d. all of the above
    7·2 answers
  • Landsat satellites receive reflected energy emitted from Earth's surfaces that include wavelengths of
    11·1 answer
  • What are 3 terms used to describe organism such as cows
    8·1 answer
  • The leaf shown has a color pattern of green and white.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!