Answer:
food chain - Food chain is the relationship between the individuals that constitutes a linear chain. In a food chain of an ecosystem, energy flows from one trophic level to another. There are 2 types of food chains, namely Grazing food chain and Detritous food chain.
food web - A food web is a graphical model depicting the many food chains linked together to show the feeding relationships of organisms in an ecosystem.
The correct answer to this question is:
<span>D. bilateral symmetry.
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Answer:
Spontaneous generation / abiogenesis
Explanation:
Long ago, philosopher still debating where did living organism come from. Aristotle came up and hypothesized that living being can come from inanimate matter (without any genetic transfers from the parents of that particular organism) . This theory called spontaneous generation.
Spontaneous generation had later on proven to be false and living being is not spontaneously created, but come from reproduction of the same species which passed on their genes to the next generation.
Answer: Parasites that kill the host lose their source of nutrition or energy and would be less likely to survive.
Explanation: