yo bot Use the image to answer the question below.
The plants are eaten by consumers at the first level, such as rat, grasshopper, frog, squirrel, whiptail, and deer. The consumers at the second level, such as ringtail, eagle, and pine marten eat the consumers at the first level. The consumers at the third level, such as wolf, mountain lion, and cat eat the consumers at the second level. Some of the consumers at the first level are also eaten by consumers at the third level.
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
11 answers
Mouse
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
whales
whales
birds
birds
horses
horses
bears
# of different type of species in the world
Birds 9,000+
Bears 8
Horses 350+
Whales 90
(1 point)
Responses
whales
whales
birds
birds
horses
horses
bears
birds
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 is accustomed to a cold climate.
It is accustomed to a cold climate.
It can cling to the bottom of ships and other vessels.
It can cling to the bottom of ships and other vessels.
It consumes the eggs of the spotted handfish.
It consumes the eggs of the spotted handfish.
It breeds rapidly and has no predators in this environment.
It breeds rapidly and has no predators in this environment.
Responses
It is accustomed to a cold climate.
It is accustomed to a cold climate.
It can cling to the bottom of ships and other vessels.
It can cling to the bottom of ships and other vessels.
It consumes the eggs of the spotted handfish.
It consumes the eggs of the spotted handfish.
It breeds rapidly and has no predators in this environment.
It breeds rapidly and has no predators in this environment.
It breeds rapidly and has no predators in this environment.
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 increase the diversity of native species.
They might increase the diversity of native species.
They might introduce other organisms, like viruses and bacteria.
They might introduce other organisms, like viruses and bacteria.
They might avoid interacting with other organisms.
They might avoid interacting with other organisms.
Responses
They might provide economic benefit.
They might provide economic benefit.
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.
They might introduce other organisms, like viruses and bacteria.
They might avoid interacting with other organisms.
They might avoid interacting with other organisms.
They might introduce other organisms, like viruses and bacteria.
What happens after coral is bleached?(1 point)
Responses
The coral dies immediately.
The coral dies immediately.
The coral releases algae into the ocean.
The coral releases algae into the ocean.
The coral produces peroxides.
The coral produces peroxides.
The coral is susceptible to starvation.
Responses
The coral dies immediately.
The coral dies immediately.
The coral releases algae into the ocean.
The coral releases algae into the ocean.
The coral produces peroxides.
The coral produces peroxides.
The coral is susceptible to starvation.
The coral is susceptible to starvation.
The most biodiverse ecosystem in the world is likely a(1 point)
Responses
taiga.
taiga.
coral reef.
coral reef.
tundra.
tundra.
cold desert.
Responses
taiga.
taiga.
coral reef.
coral reef.
tundra.
tundra.
cold desert.
coral reef.