WELL DETAILED VERIFIED ANSWERS|GRADED A+|NEWEST
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 re-
sponse 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 color-
ful 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 exam-
ple 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
1
, Where is the ancestor of wolves and gorillas, but not frogs, depicted on this cladogram? -
ANSWER Point E
Which organism has neither bones nor a jaw? - ANSWER Lamprey
Which two organisms have eggs with shells? - ANSWER Crocodilians and Amphibians
Which organisms have four limbs and produce amniotic eggs without shells? - ANSWER
Primates and Rodents and Rabbits
Which species on the following cladogram has the most similar DNA sequence to species E?
- ANSWER D
A subatomic particle has a negative charge and is found in a shell of the atom. What is this
particle? - ANSWER An electron
What is the charge of a proton? - ANSWER +1 (positive)
A molecular bond results from an electron being transferred from one atom to another.
Which type of bond holds these atoms together? - ANSWER Ionic
Which situation describes covalent bonding? - ANSWER An atom shares an electron with
another atom.
After a rainy day, a leaf has small droplets of water on its surface. Which property of water is
this an example of? - ANSWER Cohesion
A plastic water bottle is filled with water and placed in the freezer. The next day the frozen
water has expanded, causing the plastic bottle to rupture. Which characteristic of water is
this an example of? - ANSWER Density
2
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 re-
sponse 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 color-
ful 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 exam-
ple 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
1
, Where is the ancestor of wolves and gorillas, but not frogs, depicted on this cladogram? -
ANSWER Point E
Which organism has neither bones nor a jaw? - ANSWER Lamprey
Which two organisms have eggs with shells? - ANSWER Crocodilians and Amphibians
Which organisms have four limbs and produce amniotic eggs without shells? - ANSWER
Primates and Rodents and Rabbits
Which species on the following cladogram has the most similar DNA sequence to species E?
- ANSWER D
A subatomic particle has a negative charge and is found in a shell of the atom. What is this
particle? - ANSWER An electron
What is the charge of a proton? - ANSWER +1 (positive)
A molecular bond results from an electron being transferred from one atom to another.
Which type of bond holds these atoms together? - ANSWER Ionic
Which situation describes covalent bonding? - ANSWER An atom shares an electron with
another atom.
After a rainy day, a leaf has small droplets of water on its surface. Which property of water is
this an example of? - ANSWER Cohesion
A plastic water bottle is filled with water and placed in the freezer. The next day the frozen
water has expanded, causing the plastic bottle to rupture. Which characteristic of water is
this an example of? - ANSWER Density
2
