BIOLOGY MIDDLE SCHOOL

What do you call a collection of objects which interact?A. a system
B. the biosphere
C. Earth
D. organisms

Answers

Answer 1
Answer: The correct answer is A.) A System.

My reason being is mainly because we have organs and bones that all work together to help us live , this is called a system. 

The definition of System is : The assemblage ( gathering ) or combination of things or parts forming a complex or unitary whole.

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I really hope that this helps you out a lot. Have a nice day.
Answer 2
Answer: A system is a collection of objects which interact, or a set of connected things or parts forming a complex whole. 

So, that would make (A. a system) your answer.

Have a Brainly Day!

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The principle of common descent helps explain why a.well adapted species have many off spring
b.conditions in an organisms environment ensure the organisms survival
c.birds and reptiles share a number of inherited characteristics
d. tigers are so different from cheetahs

Answers

Answer:

The correct answer would be c. birds and reptiles share a number of inherited characteristics.

In evolutionary biology, the principle of common ancestors or descent explains how different groups of organisms share a common ancestor.

In other words, different groups of organisms are believed to evolve from a common ancestor.

The groups which share recent common ancestor share a number of common inherited characters.

The groups which share distant common ancestor share less common characters.

Thus, birds and reptiles share a number of characters as they have evolved from common descent or ancestor.
C.  birds and reptiles share a number of inherited characteristics

Which statement comparing examples of renewable and nonrenewable resources is true? A. Geothermal energy is a nonrenewable resource because it can't be used up, but natural gas is a renewable resource because it will eventually run out. B. Geothermal energy is a renewable resource because it can't be used up, but natural gas is a nonrenewable resource because it will eventually run out. C. Both geothermal energy and natural gas are renewable resources because they will never run out. D. Both geothermal energy and natural gas are nonrenewable resources because they will eventually run out.

Answers

A) Geothermic energy is a nonrenewable resource because it cant be used up, but natural gas is a renewable resource because it will eventually  run out.
I think c but I'm not sure

Organs that expand to fill with air

Answers

Lungs is the answer because when you breath they expand.
The answer to this question is , your Lungs , they fill with air and give us oxygen

What is the smallest functional unit of a living thing

Answers

Explanation:

It is either a cell or an atom but I am not sure, sorry

Answer:

A cell is the smallest unit of a living function.

Explanation:

Whether the living thing is made up of one cell or many it is called an organism. Cells are like the building blocks of an organism.

How would an object blocking a bronchus affect its airflow?

Answers

Because the lung has two bronchi, it can still function if one bronchus is blocked by a foreign object. No gas exchange will happen to the affected side, and the other lung will compensate for the loss of air. The blocked portion though can become inflamed and can lead to infection and damage.

How does a shield volcano form?

Answers

A shield volcano are formed by lava flows of low viscosity


I hope that's help and have a great night !


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