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SpyIntel [72]
3 years ago
13

A. darwin's theory of evolution by natural selection has been solidly demonstrated.

Biology
1 answer:
Sedaia [141]3 years ago
8 0

a. true

b. false

c. false

d. false

e. true

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What does the competitive exclusion principle state?
Artyom0805 [142]

In ecology, the competitive exclusion principle, sometimes referred to as Gause's law of competitive exclusion or just Gause's law, is a proposition that states that two species competing for the same resource cannot coexist at constant population values, if other ecological factors remain constant.

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Why is food (nutrients) important in our survival?
mafiozo [28]

Answer:

Nutrients support vital functions, including growth, the immune, the central nervous system, and preventing disease.

Explanation:

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cluponka [151]
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In 1958, Meselson and Stahl conducted an experiment to determine which of the three proposed methods of DNA replication was corr
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<h2>Meselson and Stahl conducted an experiment to determine the correct proposed methods of DNA replication was semi-conservative. the three proposed models for DNA replication are semi-conservative, conservative, and dispersive.</h2>

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In Semi-conservative replication model, the two strands of DNA uncoil from each other. It perform with the original strand and a new strand.

In Conservative replication model, DNA replication didn't open at all, but the parent strands remains undamaged by creating a new and separate  molecule that consists of two new strands.

In Dispersive replication model, DNA replication results in two DNA molecules that consists of both parental and daughter DNA.

He demonstrated that semi-conservative DNA replication is an universal mechanism allocated by all organisms on Earth.

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3 years ago
Why the sexual mode of reproductionew?
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Sexual reproduction offers genetic variation, as the offspring are a combination of 2 sets of genes opposed to one. This ultimately leads to evolution and the adaption to changing environments :)
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