7th grade 1st semester sc review

producers are at the_______ of the energy pyramid.

• outside
• middle
• top
• base

_______receives the most of energy.

• 1^st consumer
• primary consumer
• 2^nd consumer
• secondary consumer

vacuoles look like......

• large,round,sacks
• small,square,sacks
• huge,oval,sacks
• tiny,triangle,sacks 

how do hetertrophs get food?

• consume other organisms
• photosynthisis
• they don't eat

how do plants benifit from producers?

• photosynththisis 
• turns it into energy
• nutrients

what is symbiosis?

• a group of symbols
• relationships between 2 species
• three types of plants in the desert

what is the byproduct of photosynthesis?

• plants
• sunlight
• oxygen
• none of the above

when one species benifits and the other is unaffected is called........

• commensalism 
• mutulasm
• none of the above

when both species benifit is called......

• dosn't exist
• mutualism 
• commensalism

it would be good to kill ALL the bacteria in your body

• true
• false