Ecosystems 1
An animal that eats plants or other animals and does not make its own food.
(Two answer options)
What is a consumer or heterotroph?
An organism that uses sunlight to create its food
(Two answer options)
What is a producer or autotroph?
Any animal that feeds mainly on plants; plant-eater
What is a herbivore?
This complex diagram shows how organisms obtain energy in an environment.
What is a food web?
The three ways organisms can respond to a change in their environment.
What is adapt, move or die?
Water is an example of a(n) _______ factor.
(biotic or abiotic)
What is abiotic?
If there is a small population of snakes, the competition between hawks for food would be ____.
What is high?
There is a large population of rabbits, the competition between snakes would be ____.
(high or low)
What is low?
On the food chain, fungi are responsible for ________________.
What is breaking down decaying materials
The source of all energy in a food web.
What is the Sun?
Volcanic eruptions, forest fires and flooding are examples of ________
(long-term or short-term environmental changes)
What is short-term environmental changes?
Seeds are an example of a(n) _________ factor?
(biotic or abiotic)
What is biotic?
Animals ____________ for food, water, territory, and mates.
What is compete?
Organism that feeds on the waste of dead bodies of other living things, breaking them down into simpler forms and adding nutrients to the soil (ex: bacteria, worms, fungi)
What is a decomposer?
The study of the interactions between living things and their environments.
What is ecology?
This is at the bottom of a food chain/web.
What is producers?
Climate change, deforestation and overhunting are examples of ________
(long-term or short-term environmental changes)
What is long-term environmental changes?
Dirt/soil may have ________ factors in it, but it is generally classed as a(n) __________ factor.
(biotic or abiotic for each)
What is biotic and abiotic?
Any living thing that feeds on both plants and animals
What is an omnivore?
An organism that eats dead and decaying organisms.
(Does not directly return their nutrients to the soil)
What is a scavenger?
If there are lot of consumers, there will need to be a lot of ______ to support them.
What is producers?
This is directly above producers on the food chain/web.
(Two answer options)
What is herbivores or omnivores?
This option of response to change is not available to organisms that experience a short-term change in their environment.
What is adaptation?
Overfishing ________ the food web in a marine ecosystem and it is caused by __________.
What is disrupts and humans?
If there is a lot of rainfall in an ecosystem, there will be very little _______.
What is competition
If the rabbit population decreases, what will happen to the grass and snake populations?
(One answer for grass and one for snake)
What is increase and decrease?
(The grass has less organisms eating it and the snakes will have lost part of their food source.)
If the hawk population increases, this will happen to the snake and rabbit populations.
(One answer for snake and one for rabbit)
What is decrease and increase?
(The snakes have more predators and the rabbits have fewer predators, if the hawks only eat snakes in this scenario.)
How much energy is transferred between trophic levels?
What is 10%?
True or False: There are abiotic and biotic environmental changes that can affect an environment.
What is true?
The two main ways humans destroy habitats are
What is deforestation and ubanization?