Can someone check my answers, please? (My answer is ***)
1. Which of the following species would have the greatest chance of going extinct?
a species with a slow reproduction rate and very little genetic variation living in a changing environment***
a species with a fast reproduction rate and lots of genetic variation living in a changing environment
a species with a fast reproduction rate and lots of genetic variation living in a stable environment
a species with a slow reproduction rate and very little genetic variation living in a stable environment
2. Which of the following is believed to be common among all mass extinction events?
the type of species that went extinct
the number of species that went extinct
the type of event that causes the extinction
a significant change in the global climate***
3. Imagine two populations of penguins living in the same ecosystem. One population begins to exchange stones as a mating ritual while the other begins to dance by shifting from one foot to another. Individuals from each population will only mate with individuals that display the appropriate mating ritual. Which type of reproductive isolation mechanism does this scenario describe?
Behavioral Isolation***
Geographic Isolation
Habitat Isolation
Temporal Isolation
4. Human-created climate change is caused by
increased carbon dioxide in the air.***
decreased burning of fossil fuels.
increased use of green energy sources.
increased oxygen in the air.
5. Imagine the environment of an ecosystem changes such that it floods more often. Which species would most likely increase in numbers in this new environment?
an insect species that lives on the leaves of short bushes
a flightless bird species that makes its nest on the ground
a tree species that are tolerant of excess water***
a mammal species that burrows underground
2 answers
5 answers