All categories

2 years ago

Why was natural selection an important contribution to the theory of evolution?

1 answer:

5 0

Darwin's theory. In 1859, Charles Darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. He defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".

You might be interested in

The group that includes human and their direct ancestors is called the

HACTEHA [7]

The group that includes human and their direct ancestors is called the hominids.

hope this helps, God bless!

6 0

2 years ago

Read 2 more answers

Explain one significant virus

bonufazy [111]

E-coli is a significant virus

5 0

2 years ago

Bill is trying to plan a meal to meet specific nutritional goals. He wants to prepare a meal containing rice, tofu, and peanuts

Anastasy [175]

Answer:

Bill needs to eat 5 Cups of rise, 1 cup of tofu and 4 cups of peanuts

Explanation:

Its simple calculations:

As Bill requirement is 350 grams of carbohydrates, 311 grams of Fats and 168 gram of proteins.

Each cup of rice provides 42 grams of carbohydrates, 0 grams of fat, and 1 gram of protein.

Each cup of tofu provides 4 grams of carbohydrates, 11 grams of fat, and 23 grams of protein.

Each cup of peanuts provides 34 grams of carbohydrates, 75 grams of fat, and 35 grams of protein.

If he eats 5 cups of rise than he gets 42 × 5 = 210 grams of carbohydrates. similarly he gets 0 × 5 = 0 grams of fats and 1 × 5 = 5 grams of proteins.

If he eats 1 cup of tofu than he gets 4 × 1 = 4 grams of carbohydrates. similarly he gets 11 × 1 = 11 grams of fats and 23 × 1 = 23 grams of proteins.

and If he eats 4 cups of peanuts than he gets 34 × 4 = 136 grams of carbohydrates. Similarly he gets 75 × 4 = 300 grams of fats and 35 × 4 = 140 grams of proteins.

GRAND TOTAL BECOMES

CARBOHYDRATES: 210+4+136=350 grams

FATS: 0+11+300= 311 grams

PROTEINS:5+23+140=168 grams

8 0

2 years ago

Which of the following statements about cellulose is FALSE? Microtubules are directly attached to the outside surface of the pla

Tpy6a [65]

Answer:

Option A is false, the remaining statements regarding cellulose are correct

"Microtubules are directly attached to the outside surface of the plasma membrane to form tracks that help orient the cellulose polymers"

Explanation:

Cellulose is specific to plant cells walls only, animal cells do not contain cellulose. It is produced at the membrane of the cell. The microtubules are actually attached to the inside of the plasma membrane and it helps to orient the cellulose polymers that way. It provides vital structural support to the plant.

Hope that answers the question, have a great day!

8 0

2 years ago

When a local farmer found oil bubbling to the surface in one of his fields, he reported the information to a group of scientists

GREYUIT [131]

The answer is C, it was developed over time.

5 0

2 years ago