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Serggg [28]
3 years ago
14

Why do we use arrows when creating a food web? What do they represent?

Biology
1 answer:
dmitriy555 [2]3 years ago
5 0

The arrows usually point to the organisms that are doing the eating.

Explanation:

For that reason, we can say that the arrows represent the flow or transfer of energy in an ecosystem. It also specifies the direction of the flow of energy.

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Andy is studying the effect of sunlight on the growth of plants. He selected three identical plants with a height of 15 cm for t
Serggg [28]

Answer:

Analyze the data

Explanation:

A hypothesis is first coined before the experiment is conducted. Usually is a null hypothesis of no change. In this case it would most probably be ‘The is no relationship between the amount of sunlight that a plant receives and it's growth’

After the experiment, the observed data is collected and analyzed using statistical methods. The result of the data will determine where the null hypothesis will be adopted or rejected.

Research is done way before the experiment is conducted to provide headway.

8 0
3 years ago
Where do the three steps of cellular respiration occur?
valkas [14]
It occurs in the mitochondria
7 0
3 years ago
Which layer of the integument has a small population of immune cells?
navik [9.2K]

Answer:

The stratum basale

Explanation:

The stratum basale contains basal keratinocytes, immune cells such as Langerhans cells and T cells, and melanocytes that provide the skin with pigmentation.Apr 12, 2019

4 0
2 years ago
If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end o
Ilia_Sergeevich [38]

Answer:

20 chromosomes

Explanation:

Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.

In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.

Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.

4 0
3 years ago
what is a generalized term for organs in animals which produce sex cells? A. gametangium B. antheridium C. testis D. gonad
fgiga [73]
The answer is choice d.
7 0
4 years ago
Read 2 more answers
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