C190 Introduction to Biology Pre-
Assessment WGU Question and answers
rated A+ 2026
Jaw and Lungs
1. Which two characteristics are found in
organism C? Choose two answers.
2. Where is the ancestor of wolves and gorillas, Point E
but not 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 Rodents and rabbits;
amni-otic eggs without shells? Pri-mates
6. Which species on the following cladogram
D
has the most similar DNA sequence to
species E?
, C190 Introduction to Biology Pre-Assessment WGU
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 temperatur
their fer-tilized eggs in small, often short-lived e of
ponds. The tad-poles grow in the ponds for a habitats
period of time before undergoing a around the
metamorphosis into an adult frog. One world, how
unusual characteristic of spadefoot tadpoles would
is the ability to change body form during populations
development. Nor-mally most tadpoles are of spadefoot
herbivorous and feed on plant material. toads likely
However, when conditions in the ponds sug-gest evolve in
they are beginning to dry up (e.g., an increase in response to
water temperature or concentration of organic an increase
waste), a small percentage of individuals in in pond
the population undergo a dramatic change in tem-
body form and habit and begin to eat their peratures?
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
,Spadefoot toads would likely evolve to have
a higher percentage of toads become carnivo-rous.
Assessment WGU Question and answers
rated A+ 2026
Jaw and Lungs
1. Which two characteristics are found in
organism C? Choose two answers.
2. Where is the ancestor of wolves and gorillas, Point E
but not 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 Rodents and rabbits;
amni-otic eggs without shells? Pri-mates
6. Which species on the following cladogram
D
has the most similar DNA sequence to
species E?
, C190 Introduction to Biology Pre-Assessment WGU
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 temperatur
their fer-tilized eggs in small, often short-lived e of
ponds. The tad-poles grow in the ponds for a habitats
period of time before undergoing a around the
metamorphosis into an adult frog. One world, how
unusual characteristic of spadefoot tadpoles would
is the ability to change body form during populations
development. Nor-mally most tadpoles are of spadefoot
herbivorous and feed on plant material. toads likely
However, when conditions in the ponds sug-gest evolve in
they are beginning to dry up (e.g., an increase in response to
water temperature or concentration of organic an increase
waste), a small percentage of individuals in in pond
the population undergo a dramatic change in tem-
body form and habit and begin to eat their peratures?
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
,Spadefoot toads would likely evolve to have
a higher percentage of toads become carnivo-rous.
