Ecosystems

energy

100

____ is a pathway in which energy is passes from one organism to another

food chain

200

energy moves from autotroph to hetrotroph and eventually to ____

decomposers

300

What percent of energy does the sun provide the earth?

100%

400

autotrophs make energy through...

photosynthesis 

500

Organisms that feed on producers are called

primary consumers

food webs

100

food webs are better/worse to use than food chains

better

200

Is grass an example of an autotroph?

yes

300

what is the function of producers in a food web?

to make food/energy for the rest of the food web.

400

At what level is the energy the greatest?

producers

500

How many levels are there usually shown in a food web?

3 or 4

random

100

what slide was the chicken on?

slide 4

200

what is stephen's middle name? (stephen cannot answer)

isaac

300

is chic-fil-a the best?

of course

400

what is the name of princess leia's home planet in star wars?

Alderaan

500

what was the dinos name?

vectOr the raptOr

food pyramids

100

what percent of energy moves from one level of the pyramid to the next?

10%

200

what percent of energy is lost as it moves through the pyrimids?

90%

300

if the producers have 10,000 units of energy, how much energy will the primary consumers get?

1,000

400

if the primary consumers have 100,000 units of energy, how much energy did the producer have?

1,000,000 units of energy

500

if the teritary consumer has 5 units of energy, how much energy did the producer have?

500 units of energy

affects

100

is water a limiting factor in an ecosystem?

yessir

200

name three things that limit the growth of a population

food, shelter, water.

300

what is the main way humans affect ecosystems?

pollution