Which one of the following is an example of physical change?

Chemical change is also called as:

 

A process in which one or more substances, the reactants, are converted to one or more different substances, the products, is known as chemical reaction.
Hence, chemical change is also known as chemical reaction.

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

Chemical changes are permanent changes in which new substance is formed.
Chemical changes occur when a substance combines with another to form a new substance.

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.

how old r u

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.