Answer:
The relationship between the frog and the insects is a predator-prey relationship. If the number of frogs in the ecosystem decreased because of human activity, there's a possibly that the number of insects might increase.
Explanation:
In this controlled ecosystem, frogs naturally prey on insects. If there were to be less frogs in the ecosystem, the number of insects might increase because there are fewer frogs to hunt them.
Of the 340 watts per square meter of solar energy that falls on the Earth, 29% is reflected back into space, primarily by clouds.
hormones can stimulate cell regulators to increase cell reproduction. Thus option C is correct.
<h3>what are the role of hormones in reproduction ?</h3>
Hormones are the chemical messengers produced by the endocrine cells and it move through the blood, act on target cells.
The two most important reproductive hormones are estrogen in female and testosterone in male.
Estrogen induce the eggs development and maturation process in adult female and released during regular intervals of menstrual cycle.
Testosterone in male responsible for male gamete production.
Other hormones involved, such as Follicle stimulating hormone (FSH), Luteinising hormone (LH).
Thus option C is correct.
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Phagocytes can pass through the blood vessel walls into the tissue surrounding tissue towards the toxins or pathogens. They then either ingest and absorb the pathogen/toxin or release an enzyme to destroy them. They may also send a chemical message to lymphocytes to identify the type of antibody needed to destroy them.
1. b
2. b
3. a
4. c
5. b and a
6. c and d
7. d
8. c
9. d
10. a
