Plants
Food Chains
Level Up
Pop-ulations
100

True or False: Plants take in water through the stomata and carbon dioxide through the roots

FALSE

Plants take in water through the ROOTS and carbon dioxide through the STOMATA

100

Where does ALL of the energy for a food web start ?

the Sun

100

How do you show the flow of energy transfer in a food web?

a. lines

b. dots

c. arrows

arrows

100

These ___________--will affect the population of organisms from increasing

a. products

b. variables

c. limiting factors

limiting factors

200
Tre or False: Plants need to perform BOTH photosynthesis and cellular respiration

True

200

These organism use energy from the sun to turn into food

a. consumers

b. producers

c. decomposers

Producers

200

True or False: all of the energy from one organism is passed to the next organism that eats it

False

200

True or False: a limiting factor is ONLY caused by biotic factors

False

There are abiotic limiting factors

300

Plants are ____________ because they make their own food using the sun


autotrophs

300

This organism gets it energy by breaking down dead organisms and returning the nutrients to the soil

decomposer

300

Only __% of energy is passed to the next level

10%

300

Name one example of a limiting factor

(think of what may limit an organism from overpopulating)

competitors

disease

weather

available habitat

predators

400

Plants convert what two things into water, carbon dioxide and energy in carbon dioxide

glucose (sugar) and oxygen

400

In this image, the hawk is the :

producer

primary consumer

secondary consumer

tertiary consumer

tertiary consumer

400

In an energy pyramid, which level has the LARGEST number of organisms?

producers

400

Without limiting factors an organism would...


(*remember limiting factors restrict population size)

overpopulate

500

The _________ is where gas exchange (carbon dioxide & oxygen) happens in plants

stomata

500

Which one of the following is on more than one energy level?

a. corn

b. python

c. butterfly

python

it is both a tertiary consumer and a quaternary consumer

500

How is the energy that is not passed onto the next level used?

heat

life functions

some energy remains in the dead organism

500

the maximum amount a population can be supported in an environment over a long time is

a. overproduction rate

b. carrying capacity

c. variation

carrying capacity