BIOLOGY MIDDLE SCHOOL

Nonvascular plants lack which of the following structures?true roots, chloroplasts, and stems
true roots, phloem, and xylem.
true roots, xylem, and cell walls
true roots, cell membranes, and flowers

Answers

Answer 1
Answer: true roots, cell membranes, and flowers I believe.
Answer 2
Answer:

Answer:

Last one

Explanation:

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What is the function of spinal fluid?

Answers

The spinal fluid is actually called cerebrospinal fluid(CSF). It's job is to pretty much protect the brain and spine. It also soaks them in nutrients and gets rid of waste products from the spine and brain.

How does the respiratory system interact with the circulatory system?A)The respiratory system transports oxygen and other nutrients to the heart for the circulatory system.

B)The respiratory system brings in carbon dioxide so the circulatory system can transport it throughout the body.

C)The circulatory system transports nutrients and oxygen brought in by the respiratory system throughout the body.

D)The circulatory system removes oxygen and other nutrients from the body to make room for carbon dioxide in the respiratory system.

Answers

C. Oxygen and nutrients taken in by the respiratory system are transported to the circulatory system for transport around the entire body.
Also, B and D cannot be correct, as carbon dioxide is not wanted in the body (it's a waste product of respiration of the body cells)

suppose you are walking in an airliner in flight. use Newtion's third law to describe the effect of your walk on the motion on the airliner.

Answers

According to Newton's 3rd law, for every force applied, there's an equal and opposite force that will occur. So when you are walking , you are pushed forward but the plain is "pushed back" from the force.

The diagram below shows the position of the sun, moon, and Earth. The labels A, B, C, and D represent four coastlines on Earth.Three circles are shown. The smallest circle is in the middle and is labeled Moon The circle labeled Earth is on the left of the moon and the biggest circle is labeled Sun and it is on the right of the moon. The circle labeled Earth has A marked on top, B marked on the right, C marked below, and D marked on the left

As Earth rotates, coastline B moves to where coastline A is. Which statement is correct about coastline B in its new position?

It will experience a high tide because water is drawn away from the area between the low tides.
It will experience a low tide because water is drawn away from the area between the high tides.
It will have a low tide because the greatest gravitational pull of the moon is experienced when the coastline is at right angles to the moon.
It will have a high tide because the greatest gravitational pull of the moon is experienced when the coastline is aligned with the sun and moon.

Answers

Answer:

It will experience a low tide because water is drawn away from the area between the high tides.

Explanation:

The oceans on earth bulge outwards towards the sun and moon due to gravitational pull. This building is highest when the moon and sun are in line (same plane). The coastline within this plane will experience high tides while those at the right angle will have the lowest tides.  

How many chromosomes do you receive from each parent

Answers

In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.

Answer:

The answer is 23.

Explanation:

A large portion of precipitation in the rainforest occurs as a result of _______.a.

perspiration


b.

respiration

Answers

The answer is actually Transpiration. Transpiration by definition is the process where plants absorb water through the roots and then give off water vapor through pores in their leaves. In a rain forest, a lot of this occurs due to there being A LOT of plants.
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Which of the following describes an independent variable