The substances in which they undergo changes and form two or more new substances is known as:

The substances in which there is a change in shape, size, and color is known as:

a physical change is a change in one or more physical properties of matter without any change in chemical properties.
Physical changes are changes in the size, shape, state, or appearance of matter.

The change in which where no new substances are formed:

physical changes are changes in the physical properties of substances.
No new substances are formed in these changes.

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Can an organism fill more than one trophic level? yes or no?

The trophic levels can be used to determine the eating habits of an organism.

Energy flow terrestrial food web would show relationships on_____.

In the food web diagram which two organisms are secondary consumers?

A food web is a combination of various types of food chains that results from the relationship that exists between these organisms.

In the food web above, the mouse and grasshopper are identified as

A food chain usually begins with producers and ends with consumers. In between lies, various levels of consumers that feed on each other for their survival.

In an aquarium, fish eat shrimp, and a shark eats fish. What would happen to the population of shrimp if the shark was removed from the aquarium?

The balance of the ecosystem is dependent on all biotic and abiotic sources. One cannot survive without the other. If a particular population declines, it affects the whole ecosystem.

In the food web, which is the correct flow of energy?

The energy passed from one tropic level to another never comes back to the lower levels.

Which food might a first-Three organisms on the food web have arrows pointing toward them but no arrows pointing away from them. This is because level consumer eat?

Decomposers are organisms that have the ability to break down or decay the dead organisms. They are a critical part of the ecosystem.

Which food might a first-level consumer eat?

Usually, in a food chain, producers are eaten by first-level consumers, Those are then consumed by second-level consumers, and so on. This chain continues in this form and at one point, decomposers feed on these consumers and decompose them.

What does the arrow between the grasshopper and the frog represent?

Energy from one tropic level passed to another tropic level is reduced as the organisms use it for their own metabolism and maintenance.