What is the thing that shows the path of food from one animal to another?
A food chain
100
What is a food web?
A group of OVERLAPPING food chains. There needs to be at least 2 food chains to make a food web.
100
What happens if you add producers to a food web/chain?
there will be more herbivores, and therefore more carnivores and omnivores
100
more herbivores =
more omnivores and carnivores
200
What is a living thing that gets energy by eating other things as food?
A consumer
200
A food chain always start with a ....
Producer
200
Name two ways an animal can defend itself
...
200
What happens if a new predator kills some, but not all, of the herbivores?
there will be more producers and less carnivores and omnivores
200
what happens to the number of animals in a species if their predators are taken away? what happens to the food supply of that species?
it grows. it decreases/gets lower
300
What is a living thing that breaks down dead things for food?
A decomposer
300
An energy pyramid shows...
Where is the energy the greatest?
the path of energy through a food chain. there is the most energy at the bottom and the least at the top
300
Which one is NOT a way that an animal can defend itself:
a. skin
b. teeth
c. ears
d. nails
none - they all can
300
What type of consumer eats the producers?
Herbivores
300
Imagine that a group of plants are sprayed with pesticide, which is harmful to humans. Is it possible for those dangerous chemicals to reach humans through a food chain?
yes
400
What is a carnivore? What do their teeth look like?
A consumer that eats only meat. Long, sharp, and pointed
400
A fish is swimming away from a bear. Which one is the prey? Can an animal be both the prey and the predator (at different times?)
the fish. yes
400
You see an animal that is eating grass, and then suddenly looks up and bites a flying insect out of the air. What kind of consumer is it?
an omnivore
400
What type of consumers eat the herbivores?
carnivores and omnivores
400
What group do bacteria, mushrooms and earthworms belong to?
decomposers
500
What is an herbiovre? What do their teeth look like?
A consumer that eats only plants. Flat and wide
500
How does a wolf get energy from the sun?
The plant gets energy from the sun to make its own food, an animal eats the plant, and then the wolf eats the animal
500
What is the source of all energy in food chains and food webs?
the sun
500
Can a food web survive if the carnivores and omniovres are killed?
yes, but not for long because the herbivores will grow and grow but there will not be enough producers for food for all the new animals
500
What is the biggest cause of change in a food web?