Which statement describes a consumer/producer relationship?(1 point)
Responses
One organism eats another organism that makes its own food.
One organism eats another organism that makes its own food.
One organism that benefits from living in or on another organism at the expense of that organism.
Both organisms benefit from each other.
Both organisms benefit from each other.
One organism catches and consumes another organism.
One organism catches and consumes another organism.
Both organisms benefit from each other.
Fleas and dogs have a parasite/host relationship. What happens to the fleas in a home when another dog is brought into the home?(1 point)
Responses
The flea population increases because the relationship is mutually beneficial.
The flea population increases because the relationship is mutually beneficial.
The flea population decreases because the fleas harm the dogs they live on.
The flea population decreases because the fleas harm the dogs they live on.
The flea population decreases because fleas are not be able to live on all dogs.
The flea population decreases because fleas are not be able to live on all dogs.
The flea population increases because there are more dogs to live on.
The flea population increases because there are more dogs to live on.
When considering competition between individuals of the same species, what allows some individuals to survive over others?(1 point)
Responses
Some are better adapted.
Some are better adapted.
Some choose not to compete for resources.
Some choose not to compete for resources.
Some do not need resources.
Some do not need resources.
Some are not impacted by rapid changes.
Some are better adapted.
What might allow an invasive species to outcompete a native species?(1 point)
Responses
They use the same shelter or space.
They use the same shelter or space.
They have no predators, so they can spread rapidly.
They have no predators, so they can spread rapidly.
They are introduced by humans at high rates.
They are introduced by humans at high rates.
They eat the same food resources.
They eat the same food resources.
Polar bears hunt for ringed seals by waiting for them to emerge from breathing holes in the ice. Which abiotic change may decrease a polar bear’s ability to hunt?(1 point)
Responses
increased temperatures
increased temperatures
increased seal population
increased seal population
increased ice cover
increased ice cover
increased competition
increased temperatures
Which component of a marine ecosystem is abiotic?(1 point)
Responses
shark
shark
dolphin
dolphin
algae
algae
water