<span>A zygote begins as a one-cell structure that is created when a sperm and egg merge.
In the embryonic development of people and different creatures, the zygote arrange is brief and is trailed by cleavage, when the single cell moves toward becoming subdivided into smaller cells. we can also define zygote as a cell that is formed when two gametes meet.
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Answer:
1. A producer is an organism that is capable of making its own food. For example, plants.
2. A consumer is an organism that cannot make its own food and hence fed on producers or other consumers. E.g humans
3. A predator-prey relationship is a relationship in which a predator organism eats a prey organism. For example, lion and zebra.
4. Symbiosis is a biological interaction between organisms of different species.
5. Parasitism is a biological interaction in which one organism gains benefit and harms the other organism.
6. Commensalism is a biological interaction in which one organism gains benefit whereas the other organism neither gets harmed nor gains any benefit.
7. Mutualism is a biological interaction in which both the organisms benefit from each other.
8. A niche is the role which an organism plays in a community or an ecosystem.
9. The three types of symbiosis are Parasitism, Commesalism and Mutualism.
Answer: molecular size or weight of the agent.
Explanation: The smaller the size, the faster it can diffuse out and the greater the rate of diffusion.
Answer:
D.both A and B
Explanation:
because if there some option,like abcd and the letter d. is both a and b that is the correct answer.
