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Rasek [7]
3 years ago
12

What are four basic needs of all living things must satisfy

Biology
1 answer:
Mnenie [13.5K]3 years ago
7 0
Water and more things
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Plants that live on the floors of densely populated forest must compete for sunlight. Which type of leaves are most likely found
lawyer [7]

Answer:

rain forest plants

Explanation:

6 0
2 years ago
In an experiment, Dr.Travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of
Sunny_sXe [5.5K]

Answer:

Part 1.  The amount of calcium is independent variable.

Explanation:

An independent variable is a variable in an experiment which is changed to see its effects on dependent variable.

In this experiment, to know about the causes of osteoporosis, the Ca level in blood or calcium intake in changed.

So the concentration of calcium will be independent variable.

Part 2.

The risk of bone fractures is could be changed with calcium.

Explanation:

In this experiment osteoporosis or risk of bone fracture is dependent variable.

Dependent variable are results of experiment which can be changed by independent variable.

As in experiment, Calcium concentration is independent variable.

So the risk of osteoporosis depends can change with calcium.

4 0
3 years ago
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What wind pattern helped carry early explorers from Europe to North and South America?
Ahat [919]
Trade winds were wind pattern
3 0
3 years ago
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A bald eagle and a black bear both have four limbs with digits because they are both tetrapods, descendants of a four-limbed anc
Lisa [10]

The bald eagle and the black bear are tetrapods, which means that they both have four limbs along with the digits. This shows that they both are the descendants of the four-limbed ancestors. However, the limbs of the bear and the bald eagle have different functions. The forelimbs of both these organisms serves different purpose. Hence, their limbs are homologous organs. The homologous organs are those which have the same ancestry but the functions are different.

7 0
3 years ago
What products are made from the process of photosynthesis
MakcuM [25]

Answer: glucose and oxygen

Explanation:

The formula for photosynthesis is:

Carbon dioxide+water-->glucose+oxygen

Anything on the right of the arrow is the products so, it is glucose and oxygen.

Hope this helps :)

5 0
2 years ago
Read 2 more answers
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