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Genrish500 [490]
3 years ago
10

Which ocean zone has the most abundant primary producers and why

Biology
1 answer:
Tomtit [17]3 years ago
4 0

Answer:

the epipelagic zone ,due to its high light availability and warm water temperatures.

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Place the events in the correct order:
Alecsey [184]

Answer:

1. Chromatin condense into chromosomes.

4. Homologous chromosomes pair up (formation of tetrads).

5. Homologous chromosomes separate and move to poles.

2. Sister chromatids separate.

3. Chromosomes unravel in to chromatin.

Explanation:

This question portrays the process of meiosis in a cell. The ordered sequence of events in the options are:

1. Chromatin condense into chromosomes - This process occurs in the Prophase stage. Prior to the cell division, the nuclear material is found as Chromatin material. This Chromatin material then undergoes condensation to form visible chromosomes.

4. Homologous chromosomes pair up (formation of tetrads) - This process also occurs during the Prophase stage of meiosis I. In this stage, homologous chromosomes (similar but non-identical chromosomes received from each parent) are paired up side by side to form a structure known as TETRAD or BIVALENT.

5. Homologous chromosomes separate and move to poles - This process characterizes the Anaphase stage of meiosis I. Homologous chromosomes are pulled apart to opposite poles of the cell by spindle microtubules.

2. Sister chromatids separate - After meiosis I, meiosis II involving sister chromatids instead of homologous chromosomes follows. In the Anaphase stage of meiosis II specifically, sister chromatids are pulled apart towards opposite poles of the cell.

3. Chromosomes unravel in to chromatin - After the whole division process i.e. karyokinesis (division of the nuclear material), the chromosomes begin to unravel to form the CHROMATIN threads once again. This process occurs in the Telophase stage of meiosis.

5 0
3 years ago
1. One of the characteristics of water is that it can retain heat. Name an item in your household that shares this property and
klasskru [66]

Answer:

NUMBER ONE: a) a metal pan b)cover/blanket

Explanation:

a) it retains heat because when its heated, it heats fast, if cooled it cools fast

b) a blanket/cover actually contains heat thats how it gets you warm it traps the heat that enters it and keeps it heated.

7 0
3 years ago
Read 2 more answers
Which of the following will allow for the greatest reduction in an individual’s carbon footprint?
goldfiish [28.3K]

The carbon footprint can be decreased by a great amount if the incandescent bulbs are replaced with the compact fluorescent bulbs. The compact fluorescent bulbs uses approximately seventy five percent less energy than the incandescent bulbs as they do not use heating mechanism to light. This leads  to less emission of the green house gases and thereby reducing the carbon footprint.

Hence, the correct answer is 'option a - replacing incandescent bulbs with compact fluorescent bulbs'.

5 0
3 years ago
Read 2 more answers
Type A blood is not dominant over type B blood and vice versa. However, both of type A anmd B are dominat over tpye O blood. Wha
zhenek [66]

Answer: This mode of inheritance is known as Incomplete Dominance

Explanation:

Incomplete dominance occurs when a cross between two contrasting alleles (such as Type A and B) produces a heterozygous phenotype different from the two parents.

Thus, both Type A and B are dominant over Type O blood

7 0
3 years ago
Which is the most inclusive division of time on the geologic time scale?
Morgarella [4.7K]
An eon is the most inclusive
7 0
3 years ago
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