BIOLOGY MIDDLE SCHOOL

When rocks form in a discontinuous fashion, they are formed suddenly and their minerals changeTrue or False

Answers

Answer 1
Answer: false. they form slowly due to erosion and the minerals stay the same
Answer 2
Answer:

True. N.L Bowen hypothesized that minerals formed in two different ways. The first is a gradual, continuous fashion with minerals that have very similar chemical components. The second is through a sudden, discontinuous change in the mineral type.

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Which of the following is a physiological adaptation?

Answers

The correct answer to the question above is the hyoid bone adapted for roaring. The hyoid bone that being adopted by an organism for roaring is one of the physiological adaptation that can happen. Physiological adaptation permits an organism to perform special functions according to the environment. 

What can you compare a chloroplast to

Answers

What everyday object can be compared to chloroplasts?

Answer A solar panel converts light to energy, which is similar to a chloroplast converting light to carbohydrates for energy.

What does the principle of uniformitarianism state?

Answers

Mainline process, similar outcome.

A plant-cell organelle

Answers

There's a ton of different organelles. Most are the same as the organelles of an animal cell. Here's a list:

Cell Wall
Cell Membrane
Vacuole
Nucleus
Nucleolus
Nuclear Membrane
Chloroplast
Mitochondrion
Golgi Body
Ribosomes
Smooth ER
Rough ER
Centrosome
Amyloplast
Cytoplasm

I love doing this for other students. I would let you keep the points if I could.

explain the relationship between cells, tissues, organs, and organ systems in one complete paragraph please

Answers

Many cells working together forms a tissue.  Many tissues working together forms organs. Many organs working together forms organ systems.  So it goes from general to most specific.  Organ systems are needed in order for life.  This proves that cells are the most basic units of life.
Organ system is made up of organs. Organs are made up of tissues. Tissues are made up of cells. Just like first comes world. Then, continent and so on...

20. Which of the following is an example of homeostasis?A human participates in vigorous activity on a hot day and eventually suffers from dehydration.
A human body loses too much heat on a cold day, and hypothermia occurs.
A cactus stores water during wet periods, allowing it to live through dry periods.
A snake rests in the sun on a summer day, and its body temperature eventually becomes too hot for survival.

Answers

Well,

Homeostasis means "maintaining the status quo."  That just means remaining the same.

The first, second, and fourth options, do not represent homeostasis, as something happens to the organism that is not normal.

The third example is an example of homeostasis because the cactus is preparing for the dry period, during which it can maintain the status quo because of its stored water.
A cactus stores water during wet periods, allowing it to live through dry periods.
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