C190 Introduction to Biology Pre-Assessment WGU Test
Answered Correctly 2026 Update!!
1. Which two characteristics are found in organism C? Jaw and Lungs
Choose two answers.
2. Where is the ancestor of wolves and gorillas, but not Point E
frogs, depicted on this cladogram?
3. Which organism has neither bones nor a jaw? Lamprey
4. Which two organisms have eggs with shells? Birds ; Crocodilians
5. Which organisms have four limbs and produce amni- Rodents and rabbits; Pri-
otic eggs without shells? mates
6. Which species on the following cladogram has the D
most similar DNA sequence to species E?
, C190 Introduction to Biology Pre-Assessment WGU Test
Answered Correctly 2026 Update!!
7. Largemouth bass have recently been introduced into Faster average swim
ponds that previously did not contain any large, preda- speed
tory fish. Which adaptation would help the existing
population of small, prey species of fish avoid preda-
tion from the largemouth bass?
8. Western spadefoot toads breed and deposit their fer- Spadefoot toads would
tilized eggs in small, often short-lived ponds. The tad- likely evolve to have
poles grow in the ponds for a period of time before a higher percentage of
undergoing a metamorphosis into an adult frog. One toads become carnivo-
unusual characteristic of spadefoot tadpoles is the rous.
ability to change body form during development. Nor-
mally most tadpoles are herbivorous and feed on plant
material. However, when conditions in the ponds sug-
gest they are beginning to dry up (e.g., an increase in
water temperature or concentration of organic waste),
a small percentage of individuals in the population
undergo a dramatic change in body form and habit
and begin to eat their competitors. This ability is con-
sidered to be advantageous as it both reduces the
number of competitors in the pond and speeds up
the rate of development of the transformed tadpoles.If
global climate change continues (as predicted) to in-
crease the average temperature of habitats around
the world, how would populations of spadefoot toads
likely evolve in response to an increase in pond tem-
peratures?
Answered Correctly 2026 Update!!
1. Which two characteristics are found in organism C? Jaw and Lungs
Choose two answers.
2. Where is the ancestor of wolves and gorillas, but not Point E
frogs, depicted on this cladogram?
3. Which organism has neither bones nor a jaw? Lamprey
4. Which two organisms have eggs with shells? Birds ; Crocodilians
5. Which organisms have four limbs and produce amni- Rodents and rabbits; Pri-
otic eggs without shells? mates
6. Which species on the following cladogram has the D
most similar DNA sequence to species E?
, C190 Introduction to Biology Pre-Assessment WGU Test
Answered Correctly 2026 Update!!
7. Largemouth bass have recently been introduced into Faster average swim
ponds that previously did not contain any large, preda- speed
tory fish. Which adaptation would help the existing
population of small, prey species of fish avoid preda-
tion from the largemouth bass?
8. Western spadefoot toads breed and deposit their fer- Spadefoot toads would
tilized eggs in small, often short-lived ponds. The tad- likely evolve to have
poles grow in the ponds for a period of time before a higher percentage of
undergoing a metamorphosis into an adult frog. One toads become carnivo-
unusual characteristic of spadefoot tadpoles is the rous.
ability to change body form during development. Nor-
mally most tadpoles are herbivorous and feed on plant
material. However, when conditions in the ponds sug-
gest they are beginning to dry up (e.g., an increase in
water temperature or concentration of organic waste),
a small percentage of individuals in the population
undergo a dramatic change in body form and habit
and begin to eat their competitors. This ability is con-
sidered to be advantageous as it both reduces the
number of competitors in the pond and speeds up
the rate of development of the transformed tadpoles.If
global climate change continues (as predicted) to in-
crease the average temperature of habitats around
the world, how would populations of spadefoot toads
likely evolve in response to an increase in pond tem-
peratures?
