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Monica [59]
2 years ago
7

After which event would you say that evolution has occurred?

Biology
1 answer:
Setler79 [48]2 years ago
3 0

Answer:

The answer is D

Explanation:

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What controls the rate of chemical reactions in the cytoplasm
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The answer is "lipids"
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3 years ago
gentoo penguins will present a mate with a pebble that they find to attract a mate. emperor penguins have a specific call and mo
vivado [14]
The answer is behavioral isolation.

Reproductional isolation is a way to prevent closely related species to mate each other. This is due to reproductive barriers which can be either prezygotic (before fertilization) and postzygotic (after fertilization) barrier. Behavioral isolation is an example of postzygotic barrier. It is based on behavior, including mating sounds and rituals. Thanks to behavior isolation, the different species (in this example gentoo penguins and emperor penguins) will have different mating rituals so they could attract only individuals of their own species, respectively.
5 0
2 years ago
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The law of segregation states that:
DanielleElmas [232]

Answer:c. each of two alleles for a given trait segregate into different gametes.

a. it possible to determine the genotype of an individual of unknown genotype who exhibits the dominant version of a trait

Explanation:

The law of segregation of genes is examplifed with MEIOSIS 1 ,where sister chromatides ( alleles of a gene on the same locus) separated and behave independently of each other by positoning themselves on different spindles at Metaphase 1 for crossing over and independent assortment.

They migrated independently at Anaphase 1 to reach the equators which afrer telephase 1 and Telophase 2 i are located in different gametes.

Therefore the alleles of the genes behaved independently of each other,carting different genetic components to gametes.

8 0
3 years ago
DNA within cells is usually wrapped around histone proteins to form a complex structure called chromatin. Describe how chromatin
user100 [1]

Answer:

Chromatin helps regulate DNA replication.

Explanation:

Chromatin helps condense DNA strands to smaller units that can be easily managed during DNA replication and gene expression. This also prevents the breakage of the strands and facilitates equal distribution of chromosomes during cell division (during mitosis and meiosis).  

7 0
2 years ago
What are the 5 postulates to Natural Selection?
Sveta_85 [38]

Answer:

- Individuals are variable.

- Some variations are passed down.

- More offspring are produced than can survive;

- Survival and reproduction are not random.

- The history of earth is long.

Explanation:

8 0
3 years ago
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