Question

Which one of the following animals is most likely to be a keystone species, based on the food web provided?

(1 point)
Responses

grasshopper
grasshopper

deer
deer

frog
frog

Mouse
Answer
Based on the data below, which group of animals are genetically diverse?
# of different type of species in the world
Birds 9,000+
Bears 8
Horses 350+
Whales 90


(1 point)
Responses

horses
horses

birds
birds

bears
bears

whales
Answer
The Northern Pacific seastar is a particularly successful invasive species. Which of the following explains why it is so successful in the waters of southeastern Australia, outside of its native environment?(1 point)
Responses

It breeds rapidly and has no predators in this environment.
It breeds rapidly and has no predators in this environment.

It can cling to the bottom of ships and other vessels.
It can cling to the bottom of ships and other vessels.

It is accustomed to a cold climate.
It is accustomed to a cold climate.

It consumes the eggs of the spotted handfish.
Answered by anonymouslyyy
Aside from killing native species, what other negative issue might an invasive species present?(1 point)
Responses

They might provide economic benefit.
They might provide economic benefit.

They might avoid interacting with other organisms.
They might avoid interacting with other organisms.

They might increase the diversity of native species.
They might increase the diversity of native species.

They might introduce other organisms, like viruses and bacteria.
Answered by anonymouslyyy
What happens after coral is bleached?(1 point)
Responses

The coral is susceptible to starvation.
The coral is susceptible to starvation.

The coral releases algae into the ocean.
The coral releases algae into the ocean.

The coral produces peroxides.
The coral produces peroxides.

The coral dies immediately.
Answered by anonymouslyyy
The most biodiverse ecosystem in the world is likely a(1 point)
Responses

coral reef.
coral reef.

tundra.
tundra.

taiga.
taiga.

cold desert.
Answered by GPT 3.5
grasshopper
Answered by GPT 3.5
birds
Answered by GPT 3.5
It breeds rapidly and has no predators in this environment.
Answered by GPT 3.5
They might introduce other organisms, like viruses and bacteria.
Answered by GPT 3.5
The coral is susceptible to starvation.
Answered by GPT 3.5
coral reef.