A single organism in an environment is called an individual.
100
What is the word for the place where every population lives in their part of an ecosystem?
Every population lives in a certain part of an ecosystem, known as its habitat.
100
What is a population of living things depending on each other called?
In a healthy ecosystem, populations of living things are interdependent.
100
What is an example of mutualism?
A cleaner fish picks bits of food from between a shark's teeth. This relationship is an example of mutualism.
100
What is a way you could gather data about the number of red-tailed hawks that live in your state?
Pick a small area to study, and observe the number of red-tailed hawks in that area at different times of the day and year. Then multiply by the number of areas of the same size to estimate the number of red-tailed hawks in your state.
200
What is organisms of the same kind living in the same environment?
Organisms of the same kind living in the same environment make up a population.
200
What are the animals in a community called?
Animals in a community are consumers.
200
What is the way an ecosystem determines the types and numbers of animals?
The types and numbers of animals in an ecosystem are determined by the types and number of plants.
200
What might happen if an area has a dramatic decrease in rainfall?
If an area had a dramatic decrease in rainfall there would be fewer plants, and this decrease would affect the rest of the food chain.
200
What is your predication about what would happen if the population of a species in an area doubled?
The doubled population will eventually return to a smaller size because its demands for food will be greater than the available food. If the species were threatened doubling its size would not have that effect.
300
What is all populations of organisms living together in an environment?
All populations of organisms living together in an environment make up a community.
300
What is a food chain?
A food chain shows consumers in an ecosystem are connected to one another according to what they eat.
300
What is the level a consumer eats from in a food chain?
In a food chain, each level of consumer eats organisms from the level below it.
300
What would happen if giraffes, antelopes, and rhinos were all the same size and wanted to eat from the same trees?
Giraffes, antelopes, and rhinos would all eat from the same part of the tree and there probably wouldn't be enough food for all of them.
300
Suppose an area that normally recieves five inches of rain in May receives only one inch in May. What is the conclusion you would draw about what will happen to the producers and first level consumers in the area?
The producers will not grow and many of them will die. Many of the first level consumers will also die, because they won't have food from the producers.
400
What is the definition of an ecosystem?
Communities and an area's physical factors (environment) make up an ecosystem.
400
What is a decomposer? (List two examples)
Decomposers, such as mushrooms and bacteria, break down the tissues of dead organisms.
400
What percentage of energy at any level of a food chain is passed on to the next higher level?
About 10% of energy at any level of a food chain is passed on to the next higher level.
400
What difference does it make if an organism becomes extinct?
The extinction of an organisms disrupts the balance of the whole ecosystem it was part of.
400
Domestic horsed often become uneasy when they are away from other horses. What can you infer about the behavior of wild horses?
I would infer that wild horses live in herds.
500
What is something all life in an ecosystem depends on?
All life in an ecosystem depends on producers.
500
What is a energy pyramid?
n energy pyramid shows the amount of energy available to pass from one level of a food chain to the next.
500
Why is it possible for different organisms to share the same resource?
Different organisms can share the same resource, such as a tree, because they have different niches.
500
What characteristics would you use to classify birds?
1. What the birds eat and what eats them.
2. What birds do and which species are benefited or harmed by what they do.
3. Color, size, shape of beak.
4. Kind of feet.
500
What is the order you would place each organism in the food chain? Coyote, green plant, vulture, mushroom, rabbit