BIOLOGY MIDDLE SCHOOL

Where does the salt in oceans come from? a)rocks and minerals on land
b)rainfall and snowfall
c)dead plants and animals
d)energy from the Sun

Answers

Answer 1
Answer:

The salt in oceans come from rocks and minerals on land.

What are the functions of minerals?

A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties.

Minerals help maintain acid-base balance, to keep the body pH neutral. Minerals help regulate body processes, such as in enzyme systems. Minerals function in nerve impulse transmission and muscle contraction. Minerals help release energy from food.

Minerals are responsible for maintaining electrolyte balance, strengthening teeth and bones, boost energy levels, muscle contractions, trigger immunity, and supports the nervous system and thyroid functions.

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Answer 2
Answer: the answer is a) rocks and minerals on land. hope this helps

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All living things are made up of two or more cells
A porcupine has an internal skeleton and a rose has a stem. Write a sentence to explain how these physical structures have different functions.

Match each idea about evolution to the person or group where it originated from the drop-down menu. All living things share a common ancestor. More offspring are born in a population than can survive. All living things are related and change over time. Acquired traits can be inherited. Change is driven by competition and sexual selection. Organisms strive for perfection.

Answers

The correct match evolution to the person or group where it originated:

  • All living things share a common ancestor. Erasmus Darwin.
  • More offspring are born in a population than can survive. Thomas Malthus.
  • All living things are related and change over time. Ancient Greeks and Romans.
  • Acquired traits can be inherited. Jean-Baptiste
  • Change is driven by competition and sexual selection. Erasmus Darwin.
  • Organisms strive for perfection. Jean-Baptiste

What is evolution?

In biology, evolution is the alteration in a species' traits over a number of generations and depends on the method of natural selection. A population's genetic makeup evolves over time as a result of the process of evolution.

Adaptations made by organisms to their altering environments are reflected in evolution, which can lead to altered genes, unique features, and the emergence of new species.

Therefore, the correct options are:

  1. Erasmus Darwin
  2. Thomas Malthus
  3. Ancient Greeks and Romans
  4. Jean-Baptiste
  5. Erasmus Darwin
  6. Jean-Baptiste

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Answer:

Erasmus Darwin

Thomas Malthus

Ancient Greeks and Romans

Jean-Baptiste

Erasmus Darwin

Jean-Baptiste

Explanation:

Biomes are large regions characterized by certain conditions, including a range of climate and ecological communities adapted to those conditions. Ecosystems consist of all interactions between biotic and abiotic factors functioning together in an area. How are ecosystems and biomes related? A. Biomes and ecosystems are identical in size and composition.
B. A biome includes many similar ecosystems.
C. Organisms found in ecosystems cannot be found in biomes.
D. An ecosystem includes many different biomes.

Answers

The answer is A. A biome includes many similar ecosystems

Imagine an animal cell lost half of its mitochondria. Explain how the cell would be different.

Answers

Well, the mitochondria is the powerhouse of the cell, this cell would die off because it needs a mitochondria to work.
Since the mitochondria is the power house of the cell, it would most likely die because of the energy source the mitochondria gives off

Where would you expect to find carbon? Check all that apply.in all living organisms
in most metals
in organic compounds
in inorganic compounds

Answers

We can expect to find carbon in all living organisms and in all organiccompounds. So the correct options are A and C.

What is carbon?

Carbon is an element found on the earth. It is an extremely abundant element with unique properties. Carbon is present in the environment in pure or almost pure forms.

Diamonds and graphite are some of the pure forms of carbon. Carbon also forms compounds with other elements for the formation of molecules.

These carbon-based molecules are the basic building blocks of all living organisms including humans, animals, plants microorganisms etc.

These also present many components of the environment. They are called organic molecules. Greenhousegases like carbon dioxide and methane are examples of carbon-based molecules.

They are also present in high percentages of fossilfuels. They are mainly made up of hydrocarbons which are molecules composed of hydrogen and carbon.

Therefore the correct options are A and C.

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Answer: A and C

in all living organisms

in organic compounds

Explanation:

What are the 3 things plants must be able to do

Answers

Answer:

plants need sunlight, water, and carbon dioxide to live.

Explanation:

Hours of daylight and nighttime are equal during the??

Answers

I think it is Equinox 
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