Ch.5 Quiz Practice

Photosynthesis is the process in which a plant uses specific abiotic factors to create its own food. Fill in the blanks to finish the equation: sun + ________________ + __________________ = food/sugar + ____________________

• sun, water, CO2

• water, CO2, oxygen

• oxygen, CO2, water

• food, water, CO2

Organisms that eat dead organisms are called:

True or False: In a food web, there are always less herbivores than carnivores.

• True

• False

In a food chain, the arrows demonstrate who is _________________ the energy in the way of nutrients.

• receiving

• hiding

• denying

• drawing

What is the difference between a food chain and a food web?

True or False: There are multiple food chains within a food web.

• True

• False

What is a synonym for producers?

• heterotrophs

• plant-eaters

• autotrophs

• vegans

Check off ALL examples that fit into the category of producers:

• first in a food chain or web (after the sun of course!)

• grass

• biggest category in the pyramid of numbers

• ferns

• needed for the survival of an ecosystem

True or False: An omnivore is a consumer that eats both plant material and waste material.

• True

• False

Carnivores eat other organisms (meat) and are usually at the _________ of a food web. __________________ are a type of carnivore that eat dead organisms.

• bottom, scavengers

• bottom, detrivores

• top, scavengers

• top, decomposers