BIOLOGY MIDDLE SCHOOL

Which best contrasts flocking and schooling? Flocking provides aerodynamic efficiency and schooling provides hydrodynamic efficiency. Flocking provides protection and schooling provides hydrodynamic efficiency. Flocking provides aerodynamic efficiency and schooling provides foraging benefits. Flocking provides reproductive benefits and schooling provides foraging benefits.

Answers

Answer 1
Answer:

Answer:

A

Explanation:

The correct answer would be flocking provides aerodynamic efficiency and schooling provides hydrodynamic efficiency. Mark as brainliest please:) I hope this helps!
Answer 2
Answer:

Answer:

yes the answer is A

Explanation:

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The speed of sound traveling through steel is much less than the speed of sound traveling through air. True or false.

Answers

Hello,

The answer is false, Sound travels faster through steel. 

Thanks for using Brainly :)

You need to use the scientific method and
In order to work as an environmental scientist.

Answers

Answer:

You need to use the scientific method and knowledge of the environment in order to work as an environmental scientist.

Explanation:

An environmental scientist should have an excellent knowledge about the systems of the environments and scientific methods. If a scientist is thorough about his understandings of the environment, he will be able to recognize any changes in the environment immediately and formulate the necessary reasons for the changes by using the scientific method of research. By using the scientific method of research, a scientist is able to learn about the various phenomenon occurring in the environment.

Why is air called a solution ? Why does salt seem to disappear in water?

Why would some solute remain undissolved in a solution?

What is the difference between a dilute solution and a concentrated solution?

What will happen if you heat a saturated solution?

Answers

I think air is a solution because it is made up of different types of gases including 21 percent oxygen, 78 percent nitrogen, and one percent trace gases.

Salt dissolves in water

The solution has already reached its solubility and cannot dissolve any more solute

A dilute solution has a little bit of solute dissolved in the solvent, while a concentrated solution has a large amount of solute dissolved in the solvent

If you heat a solution normally the solubility increases meaning more solute can be dissolved in the solvent

i hope i was able to help :)

A student writes in a laboratory notebook: I placed a piece of iron in a beaker of water and the iron sank to the bottom of the beaker. -- What the student wrote in the laboratory notebook is an example of a(n) *1. observation
2. prediction
3. inference
hypothesis

Answers

The student OBSERVED what happend therfor the answer is 1

Answer:

A student writes in a laboratory notebook: I placed a piece of iron in a beaker of water and the iron sank to the bottom of the beaker. -- What the student wrote in the laboratory notebook is an example of a(n) *

Explanation:

A student writes in a laboratory notebook: I placed a piece of iron in a beaker of water and the iron sank to the bottom of the beaker. -- What the student wrote in the laboratory notebook is an example of a(n) *

Animal like protists are called

Answers

Answer:

animal like protists are called protozoa

Explanation:

this is because of the presence of single-cell, characteristics such as inability to produce food for themselves
The answer is Protozoa

Order the DNA discoveries

Answers

Answer:

DNA was discovered in 1869 by Swiss researcher Friedrich Miescher, who was originally trying to study the composition of lymphoid cells (white blood cells). Instead, he isolated a new molecule he called nuclein (DNA with associated proteins) from a cell nucleus.

Explanation:
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