Biology Keystone Module B

Owl’s disk-shaped face helps direct sound waves into the owl’s ears, similar to a human ear

Whichof the following best describes an acquired trait of a cat?

How can translocation affect chromosomes?

Squirrels, separated by the Colorado River, became unique species. Which mechanism caused this?

Which answer correctly distinguishes between the following statements?

Two species of frog live in the same area. Which is the best evidence for a common ancestor?

A species of flower has 5 petals. One individual has 3 petals. What most likely caused it?

Leopards live and hunt alone. What is most likely the primary value of living alone?

What must be transmitted to new DNA strands during replication to maintain genetic information?

The graph represents changes to a trait. What most likely occurred at time 1?

Which trait is an acquired trait?

A human is composed of trillions of cells. Which process directly causes this large number?

Which description is the best example of a population?

The amount of rainfall, intensity of UV radiation, and local climate are all examples of 

Very few plants grow at the bottom of oceans. Which scenario best explains this observation?

Whattype of evidence does the presence of homologous structures in plants provide?

Which relationship best describes the interaction between ticks and the deer?

Fertilization of anegg leads to a diploid genome. Which is true of a diploid cell?

Which of the following is an example of an observation?

Which outcome is mostlikely a result of selective breeding?

Which energy transfer most likely occurs between organisms in the food web?

Which mutation is the most likely to result in no effect to the phenotype of a cell?

Which statement best describes how invasive plants can negatively affectsnative herbivores?

The DNA of two brown eyed and blue eyed people is analyzed. What would they have in common?

Which events occurs during the interphase stage of the cell cycle?

A pitcher plant and venus fly trap have leaves that catch insects; cacti have spines for leaves

Which of the following is theoriginal source of energy in any ecosystem?

Genetic engineers designed corn with antifungal properties. How does this benefit farmers?

A cell goes through Meiosis. How are the daughter cells different than the parent cell?

Which term best describes the basic unit of inheritance passed from a parent to offspring?

Various bacteria, fungi, vertebrates, and invertebrates all live in one common area.

Changing a single base causes an error that affects the next 500 amino acids in a protein.

Which scenario would lead to the most rapid evolution of a new species of beetle?

What happens to the unused organic matter at each trophic level within an energy pyramid?

This location would most likely have an aye-aye population with the greatest genetic variation.

Which effect is most likely caused by nondisjunction during meiosis?