1.

1 answer:

7 0

1. The answer is "the energy required to start the reaction".

This energy is called as activation energy of the reaction. If the activation energy is high, reaction is slow. Enzymes help to carry out the reaction by a new path by reducing the activation energy. But the energy of reactants and the products remain as same as without enzyme.

2. The answer is "reaction in cells would be too slow to sustain life".

If the activation energy is very high for the reaction, then that reaction will be very slow and will require more time to complete the reaction. Then survival is very low. Hence, the roll of enzymes is very important to sustain life.

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Which level of consumer has access to the smallest supply of energy?

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The shorter the food chain, the larger amount of energy obtained.
Hence, the consumer furthest away from the producer obtains the least energy.
The quaternary consumer is furthest away. Most energy is lost by then. Hence, it has access to the smallest supply of energy.

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The correct answer is - Pons.

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They support life by being the first vegetation to spring up on harsh terrain where soil is scarce. Even when they perish, seedless plants give back to nature. Certain seedless plants like moss and liverworts actually leave behind a layer of fertile soil for other plants when they perish.

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Seedless plants have historically played a role in human life through uses as tools, fuel, and medicine. Dried peat moss, Sphagnum, is commonly used as fuel in some parts of Europe and is considered a renewable resource.

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The upper atmosphere absorbs what?

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The creator focused on these data elements and not others because he was trying to create a food chain instead of a food web.

In the ecosystem, the living and non-living things interact over time leading to exchange of energy.

A food chain can be defined as the steps through which energy transfer occurs in an ecosystem.

The energy flows from the producers (grass), primary consumers, (rabbits) and then the secondary consumers (wolves).

The energy flow is indicated with an arrow thus,

grass ---> rabbit -----> wolves.

Food chain, therefore includes linear sequence of organisms.

Food web on the other hand illustrates a complex feeding relationship within the ecosystem.

The food web is made up of a prey that can be eaten by more than one predator.

Therefore, even though there where other predators of rabbits and other food sources for rabbits, he chose only few features to create a food chain.

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