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3 years ago

Which biome has trees that shed their leaves as part of its climax flora?

Biology

2 answers:

vesna_86 [32]3 years ago

6 0

I'm gonna say D is the answer.

Alecsey [184]3 years ago

5 0

Answer is C.

Temperate deciduous forests is the biome which are dominated by climax communities of deciduous trees. These trees lose their leaves every autumn. These forests are also called as broad-leaf forests because the trees have wide, flat leaves. These biomes are exposed to warm and cold air masses, causing them to have four seasons: winter, spring, summer and fall. As winter approaches and daylight decreases, the production of chlorophyll in the leaves slows and eventually stops, revealing the bright red, yellow and orange colors we associate with fall.

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How does sexual life cycle increase the genetic variation in a species

SCORPION-xisa [38]

Answer:

The behavior of chromosomes during meiosis and fertilization is responsible for most of the variation that arises in each generation. Three mechanisms contribute to genetic variation arising from sexual reproduction: independent assortment of chromosomes, crossing over, and random fertilization.

3 0

3 years ago

20 POINTS PLEASE ANSWER QUICK

forsale [732]

Answer:

Their Cell walls

Explanation:

Bacteria has a cell made up of peptidoglycan

Archaebacteria has a cell wall made of various compounds)

Their rRNA is different, so different taht tehy are placed on different part of the evolutionary tree.

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3 years ago

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Dead zones in waterways can occur as the result of fertilizer runoff. T/F True

Alja [10]

It is true that dead zones in waterways can occur as the result of fertilizer runoff.

8 0

3 years ago

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Many different types of mutations can occur within the body. An individual experiences a mutation that changes a base

Georgia [21]

Answer:

The type of mutation responsible for changing a base in the mRNA strand, without changing the coding aminoacid or protein, is called a silent mutation.

Explanation:

In a silent mutation occurs the change of a nitrogenous base in one of the codons that encodes an aminoacid, without changing the aminoacid or altering the structure or function of the protein to be synthesized.

In this type of mutations the change of the base does not mean the change of the aminoacid, because some aminoacids can be coded with more than one codon. In the case of Leucine, the codons that encode it are CUU, CUC, CUG or CUA, so even if a base changes, the final protein will be the correct one.

For the other options:

Missense: the change of the base in the DNA chain implies the change of the codon in the mRNA and of the encoded aminoacid, in that way a structural and functional alteration of the synthesized protein occurs.

Nonsense: the change in the nitrogenous base in the DNA leads to the coding of a termination codon, so that the protein is ultimately incomplete.
Insertion: in this case there is the addition of more nitrogenous bases to the DNA chain, with respect to the original one.

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3 years ago

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Large, flat areas on the Moon's surface once thought to be remnants of ancient seas

12345 [234]

These dark areas are called maria. They are thought to be formed by volcanic eruptions in the moon's history.hope this helped:)

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3 years ago

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