Did the first living cell evolve suddenly in a single step or gradually as the result of many intermediate steps?

Answers

Answer 1

Answer:

Gradually as the result of many intermediate steps is my answer because as life on Earth for example started off with simple atoms making molecules, and as the time went past more complex compounds were be produced. And from there later on unicellular organisms started appearing. Nothing in evolution that I know of happens in a short time, at least from the human perspective.

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Why do you never see the far side of the moon from Earth?

Answers

You can never see the far side of the moon from Earth because the moon is fixed in its orbit around the earth, meaning that one side is always facing Earth.
A common term for the side we can't see is "the dark side of the moon", but that designation isn't necessarily 100% accurate since the other side is lightened by the sun just as much as the side facing us.
Hope that helped! =)

In humans, a widow’s peak hairline (H) is dominant to a straight hair line (h). If a heterozygous male mated with with a homozygous recessive female, what would the genotypes of the offspring be?Group of answer choices

25% hh, 75% Hh

50% Hh, 50% hh

50% HH, 50% hh

100% Hh

Answers

Answer:

Your correct answer is B 50% Hh, 50% hh

Explanation:

Since the male is heterozygous he has the genotype Hh and since the female is a homozygous

Hope this helps :) -Mark Brainiest Please :)

Answer:

B, 50% Hh and 50% hh

Explanation:

Since the male is heterozygous he has the genotype Hh and since the female is a homozygous recessive her genotype is hh, together in a punnet square you will get this answer

What are momosaccharides?

Answers

Monosaccharides, also called simple sugars, are the simplest form of sugar and the most basic units of carbohydrates.

What substance is a powerful contributor to weathering and erosion on Earth?A)

wind

B)

oxygen

C)

carbon dioxide

D)

heat

Answers

Answer:

(d)heat is the answer

Heat is the correct answer (D)

2 PolnisWhich of the following is an advantage of an in vitro experiment?

Please help me

Answers

In vitro experiments are done in a lab. An advantage would be that you have control over what ur doing and know exactly what’s going on. But I can answer specifically if u send the choices.

where are the answers choices? please be more specific

Description of what you might find in a coral reef ecosystem, what it is made up of

Answers

The coral reef ecosystem is made up of water and rocks according to my 6th grade text book... In a coral reef you might find a lot of small fish or alge

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