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Elina [12.6K]
3 years ago
11

Who used to collect mosquitos for Roland Ross?

Biology
1 answer:
saul85 [17]3 years ago
6 0
George MacDonald helped collect and build models of mosquitoes for Sir Ronald Ross. Hope this helps :).   <span />
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Put the levels of organization in order from smallest to largest; community, ecosystem, organism, biosphere, population
frutty [35]
Correct order is: organism, population, community, ecosystem, biosphere.
6 0
3 years ago
Which step of mitosis involves the condensing of dna into chromosomes?
Andrej [43]

Answer:

Prophase

Explanation:

the condensing and coiling of DNA into chromosomes. The step that takes up 60% of the time that the cell is undergoing mitosis.

5 0
3 years ago
The graph shows the changing levels of hormones during menstruation and ovulation. What is the general trend for hormones after
Vladimir79 [104]

Answer:

Hormone levels generally decrease.

Explanation:

<em>The graph showed that hormone levels after ovulation generally decrease.</em>

The menstrual cycle of women generally have 3 phases which include:

  1. <em>The follicular phase</em>
  2. <em>The ovulatory phase</em>
  3. <em>The luteal phase</em>

The follicular phase is characterized by low levels of oestrogen and progesterone and a slightly high level of follicle stimulating hormone which ensures that follicles within the ovary develop.

The ovulatory phase is characterized by a surge in the luitenizing hormone (which stimulates the release of eggs) and follicle stimulating hormone with a decrease in the level of oestrogen and a gradual increase in the level of progesterone.

The luteal phase is characterized by a general decrease in the levels of luitenizing hormone and follicle stimulating hormone while oestrogen level may remain high.

5 0
3 years ago
Read 2 more answers
Function of the plant cell wall?
bekas [8.4K]
<span>The function of a cell wall has the same function of the cell membrane; it protects the cell. Cell wall is made up of cellulose that is only present in plant cells. Cellulose is a sugar that has a sheet like structural carbohydrate. It is rigid that is used for support and provides protection to the plant cell from damage. They cannot be dissolved in water. An example is if you eat food that contains mostly of leaves. You will observe that you will eliminate the same material as when you it. That is because our human body does not have the enzyme that dissolves the cellulose.</span>
7 0
3 years ago
Which level of biodiversity includes species richness and evenness?
Novay_Z [31]
The answer is:

Community Diversity.

Reason Why: Here is an example, say you have 2 communities, community 1 is A, and community 2 is B, Communities A and B contain 5 tree species, However because community B has greater species evenness it has greater species diversity.
Community A is dominated by one of its 5 species and so has lower species diversity than.....community B, which has the same 5 species but in equal proportion.

Richness- Number of Species
Evenness-Relative abundance.

Hope This Helped!
7 0
3 years ago
Read 2 more answers
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