Show:
Food Webs
Changes To a Food Web
Energy Pyramid
New Organisms
Competition
100
what does a food web show
what is a food web shows how a bunch of food chains are linked together
100
What happens to the environment when somethings population becomes to big and one of the predators is becoming extinct?
what is The prey will take over and eat what other animals need to eat.
100
.What is at the bottom level of an energy pyramid?
what is Producers are at the bottom level of an energy pyramid
100
happens to an environment when a new organism comes
what is There will be less of the food that one animal eats if the new organism eats that same food and then their population will die down
100
what is competition
what is competition is the struggle of several organisms for the same resource
200
What can a food web tell you
what is a food web can tell you a lot about the living things in an environment
200
Without sea otters controling the population of sea urchins what almost disappeared
what is the kelp forest almost disappeared
200
What is at the second level of an energy pyramid
what is consumers are at the next level
200
true or false new organisms don't change the way their ecosystem works
what is false
200
if a mouse is part of a snake's food chain and a fox's food chain what food chain is he part of
What is both of the food chains so they have to do competition when both trying to get the same mouse
300
if a sparrow eats a worm one day and a caterpillar another day what food chain is the sparrow part of the worm's or caterpillar's
what is it is part of both food chains
300
What things in a food web depend on one another
what is living things depend on each other in a food web
300
what uses 90% of their energy to live and grow, so only 10% is passed to consumers
what is plants or producers
300
true or false is every living thing in an environment part of a food web
what is true
300
what does competition mean
What is when two things are going after the same thing
400
how can a animal be part of two or more food chains
what is an animal can be part of two or more food chains because many food chains in an environment can overlap each other
400
What happens when one organism in a food web changes
what is when one population changes all the other populations in that food web can be affected too
400
true or false each level is made of the organisms that make a food web
what is true
400
true or false the grayback cane beetle became a pest is Australia's sugarcane fields in the 1930s
what is true
400
if a bird eats a leaf that got energy from the sun does the bird also get energy
What is yes it does
500
the hawk gets sunlight that goes to the plant so the mouse that ate the plant gets nutrients and sunlight at the same time and if the hawk eats the mouse which ate the plant the hawk gets sunlight, nutrients, and full at the same timeif a bird eats a leaf and then a hawk eats the bird what three things does the hawk get
what is the hawk gets sunlight that goes to the plant so the mouse that ate the plant gets nutrients and sunlight at the same time and if the hawk eats the mouse which ate the plant the hawk gets sunlight, nutrients, and full at the same time
500
kelp forests are home to many what
what is kelp forests are home to many ocean creatures
500
True or false humans are at the third level of our energy pyramid
false they are at the top
500
in what year was Australia's sugarcane fields being destroyed by insects (a) 1935 (b) 1930 (c) 1940
What is (a) 1935
500
if there was one cookie left and two people wanted it what would that be called (a) fighting (b) competition (c) chasing
What is (b) competition