C190 Intro to Biology OA
2026/2027 Exam Questions and
Correct Answers | New Update
What item would be classified as Biotic? - ANSWER ✔✔Fungus
What Item is an atom? - ANSWER ✔✔Nitrogen
Largemouth bass have recently been introduced into ponds that
previously did not contain any large, predatory fish. Which adaptation
would help the existing population of small, prey species of fish avoid
predation from the largemouth bass? - ANSWER ✔✔Faster average
swim speed
, If global climate change continues (as predicted) to increase the average
temperature of habitats around the world, how would populations of
spadefoot toads likely evolve in response to an increase in pond
temperatures? - ANSWER ✔✔Spadefoot toads would likely evolve to
have a higher percentage of toads become carnivorous.
Male peacocks compete with one another to mate female peacocks.
Males with more colorful tail feathers attract female mates at a higher
rate than those without. Therefore, male peacocks have colorful tail
feathers, whereas female peacocks do not. What is this an example of?
- ANSWER ✔✔Sexual selection
A gardener maintains a species of rose that produce either yellow
flowers (the dominant phenotype) or white flowers (the recessive
phenotype). One day, the gardener observes that a cross between two
yellow rose bushes has led to a single rose bush with orange flowers.
What evolutionary mechanism is involved in the change in the gene pool
of this species? - ANSWER ✔✔Mutation
Which two characteristics are found in organism C? - ANSWER
✔✔Jaw and Lungs
Where is the ancestor of wolves and gorillas, but not frogs, depicted on
this cladogram? - ANSWER ✔✔Point E
2026/2027 Exam Questions and
Correct Answers | New Update
What item would be classified as Biotic? - ANSWER ✔✔Fungus
What Item is an atom? - ANSWER ✔✔Nitrogen
Largemouth bass have recently been introduced into ponds that
previously did not contain any large, predatory fish. Which adaptation
would help the existing population of small, prey species of fish avoid
predation from the largemouth bass? - ANSWER ✔✔Faster average
swim speed
, If global climate change continues (as predicted) to increase the average
temperature of habitats around the world, how would populations of
spadefoot toads likely evolve in response to an increase in pond
temperatures? - ANSWER ✔✔Spadefoot toads would likely evolve to
have a higher percentage of toads become carnivorous.
Male peacocks compete with one another to mate female peacocks.
Males with more colorful tail feathers attract female mates at a higher
rate than those without. Therefore, male peacocks have colorful tail
feathers, whereas female peacocks do not. What is this an example of?
- ANSWER ✔✔Sexual selection
A gardener maintains a species of rose that produce either yellow
flowers (the dominant phenotype) or white flowers (the recessive
phenotype). One day, the gardener observes that a cross between two
yellow rose bushes has led to a single rose bush with orange flowers.
What evolutionary mechanism is involved in the change in the gene pool
of this species? - ANSWER ✔✔Mutation
Which two characteristics are found in organism C? - ANSWER
✔✔Jaw and Lungs
Where is the ancestor of wolves and gorillas, but not frogs, depicted on
this cladogram? - ANSWER ✔✔Point E
