Biology: Which of these statements about a food web is true? a) matter is changed into various forms but the total quantity remains unchanged. b) matter is created at the start of a food web and destroyed in the end. c) there are an equal number of producers and consumers. d) the quantity of matter increases as the food web progresses from the producers to the consumers.

Which of these statements about a food web is true?

am2garcia5

27.07.2020

It's A because matter can not be created or destroyed.

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netflixacc0107

14.05.2023

Hey there!

The purpose of guard cells is to control the opening and closing of the Stomata, keeping it the correct width, or size.

Therefore, your correct answer would be Option 3, control the size of the Stomata.

Hope this helps!