distribute seeds
for carbon dioxide
photosynthesis
dead animals make healthy soil
fertilizer
100
The name for when plants and animals use oxygen
respiration
100
The favorite food of mosquito fish which is how they got their name
larvae
100
Pond snails are this, they eat dead and decaying matter
scavengers
100
Isopods are land living, another word for this is
terrestrial
200
Two reasons animals need plants
to eat
shelter/shade
oxygen
200
When plants and algae use the sun's energy, water and carbon dioxide to make their own food
photosynthesis
200
immature fish are called this
fry
200
The class of animals snails belong to, it means "stomach foot"
gastropod
200
The isopods skeleton is worn on the outside of its body and is called this
exoskeleton
300
Two reasons animals need animals
to eat
reproduction
protection
population control
300
Water plants and algae that make their own food are called this
producers
300
The fish that is larger: male or female
female
300
The name for the snail's tongue
radula
300
When an isopod sheds its outer skeleton it's called this
molt
400
Two things that can happen when humans move into a natural ecosystem
animals migrate to new area
animals die due to less food
less shelter for animals when trees cut down
one species may overpopulate if a predator leaves
400
A favorite food of waterfowl and fish
duckweed
400
What appears on a female fish when she is pregnant
gravid spot
400
Another name for a plant root
radicle
400
The part of the cricket used to sense vibrations in the air and ground
cerci
500
Something you can do to help if humans have interfered with an ecosystem
clean up litter
plant new trees
inform the community about the impact and get their help
500
Duckweeds make new plants by forming these
fronds
500
the dark line running the length of a fish's body that detects pressure in the water