Ecosystems 1
Ecosystems 2
Ecosystems 3
Ecosystems 4
Ecosystems 5
Ecosystems 6
100
something that produces food for itself
What is a producer?
100
What is a producer?
An organism that uses sunlight to create its food
100
What happens to a population of rabbits when predators are present?
The population of rabbits is going to go up and down with predators, so the population is stabilized.
100
Where does Green Algae get its energy from and why?
From the sun, because it is a producer.
100
The arrows in a food chain and food web represent....
the flow of energy
200
What is a consumer?
something that eats something else for food
200
What type of organism is found at the beginning of all food chains?
Producers
200
Fungi are on the food chain and they are responsible for ________________
decaying materials
200
What is a food web?
a system of overlapping food chains
200
What is a food chain?
the flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)
200
What happens to a population of bunnies that has no predators?
The population increases.
300
Animals ____________ for food, water, territory, and mates.
compete
300
.What is a decomposer?
Any living thing that feeds on the waste of dead bodies of other living things
300
bacteria, fungi, worms, ants, beetles, sow bugs are examples of?
decomposers
300
Many of the same species is a...
What is a population?
300
At the bottom of the food pyramid, what are those organisms called
producers
300
What happens to the population size when it reaches its carrying capacity?
The population stabilizes once it has met the carrying capacity due to limiting factors like food, water, or space. The population will no longer increase indefinitely. The population may rise and fall a little, but on average it stays about the same.
400
What is an ecosystem?
the living and nonliving things and the ways they interact in an environment (ex: forest, wetland, desert)
400
An organism that feeds on dead and decaying organisms
detritivores or scavengers
400
living and nonliving things are parts that make this.
ecosystems
400
The following picture shows a wetland and the plants that grow there.
Which of the following conditions do the plants shown have to cope with?
What is 'wet soil?'
400
In the a food web the mushroom and bacteria are....
decomposers
500
Environmental changes happen all the time. Some of these changes are easy to spot. For example, the figure below shows a sign that you might see while riding along a road in many places. What factor is potentially destroying this habitat for organisms.
What can you conclude about environmental changes after seeing this sign?
Humans can destroy habitats.
500
What does a food web show?
How animals rely on each other in an environment to live.
500
The following picture shows a prickly pear, which has spiny, flat joints and thick, rounded stems that store water.
which type of environment is a prickly pear best suited?
What is the desert?
500
An animal that eats plants or other animals and does not make its own food.
What is a consumer?
500
On the pyramid what is the organism that eats the producer called
primary consumers
500
What are 3 limiting factors for a population?
Food, water, space
600
What is mutualism?
A relationship when both benefit each other.
600
What is a food or web pyramid?
The flow of energy
600
Three types of organisms in an ecosystem.
What are producers, consumers, and decomposers?
600
Which of the following is the main feature of the environment to which the plants shown in the figure have adapted?
the lack of water
600
A 'role' or 'function' of an organisms ______ includes what it eats.
niche
700
There are only a few different species of plants, animals, and insects so there is low __________.
diversity
700
Look at the plants in the picture below.
Which abiotic factor most likely controls where the plants in this environment live?
soil
700
What is a population?
A group of the same species in a habitat
700
If an insect species lives in only a certain type of plant and that plant is removed, what part of the insects’ life is being affected?
It's niche
700
What is the best way to get rid of an invasive plant?
Pull it out with its roots and prevent it don't plant it anywhere.