Practice Exam Answers

Which is the correct written form of the scientific name that uses the rules of binomial nomenclature?

A scientist is studying an infectious agent in a lab. Which observation best illustrates the importance of the theory of evolution in the field of medicine?

Dichotomous keys are constructed based on

How does conservation affect biodiversity?

In rock layers, jellyfish fossils are found lower than trilobite fossils, and trilobite fossils are found lower than ammonite fossils. What can be determined from this information?

Which is a negative effect of rising ocean temperatures?

Which phrase describes faults?

Which period belongs to the Paleozoic era and not the Cenozoic era?

Which effect is one likely result of a forest fire?

Which animals form a eusocial society?

A population of wolves in Wyoming experienced a rapid decline. Scientists found that 20 wolves died from rabies, 15 wolves died from mange (a parasitic mite), and 10 wolves died from natural causes. Wyoming experienced a recent drought, and many populations, including deer, bison, and bear, have diminished in the past year. What is best described in this scenario?

Which best describes the relationship between two species and a niche?

The Great Pacific Garbage Patch is an area in the North Pacific Ocean that contains trash and causes harm to ocean life and those that consume that life. What lessons can be learned from this floating pile of trash?

A family released their pet fish family into a local pond. The fish had no known local population. The impact of the fish on the ecosystem is not yet known. Which term would best define the fish added to the pond?

Shelby is a plant breeder who is trying to identify the cause of a disease among a group of trees. She observes that the organism reproduces through spores and has reproductive structures that are shaped like a sac. Which type of fungus is it?

The fossil record shows that the average size of black bears was large during cold glacial periods and got smaller during warmer time periods. What is this an example of?

Changes in the gene pool can occur due to various mechanisms. In 1989, a large oil spill occurred in Prince William Sound, Alaska, when the Exxon Valdez oil tanker ran aground. Approximately 11 million gallons of oil were spilled and spread 1,300 miles along the Alaskan coastline. The damage from the oil spill affected thousands of animals in the area, including killer whales, harbor seals, sea otters, fish, and sea birds. Which mechanism most likely affected the gene pools of the organism populations in the areas around the oil spill?

Variations within a species are an important part of Charles Darwin's theory of evolution. Which example can be explained by individual variation?

A student studies a plant specimen. The student notices that the plant has seeds that are enclosed by a fruit. Which term can the student use to definitely describe the plant based on the evidence that they see?

A muskrat population is growing exponentially. What might cause this population to enter logistic growth?

Which level of biological classification is the lowest level that butterflies (invertebrates) and dogs (vertebrates) have in common?

Which resource is renewable?

When a plant produces sugars and transports them during translocation, which main plant tissues are at work?

Which of these are characteristics of all animal cells? Choose three correct answers.

Which two statements correctly describe the life cycles of mosses and angiosperms? I. Both life cycles have protected seeds. II. Both life cycles involve meiosis. III. Moss fertilization occurs in the air; angiosperm fertilization occurs in a pool of water. IV. Mosses release haploid spores into the surrounding environment; angiosperms release haploid pollen grains into the surrounding environment.

If the producer population in an ecosystem decreased, what would most likely happen to the size of the herbivore population?

Actinobacteria sp. are organisms called chemoorganohetereotrophs. They do not use oxygen to breathe. They break down organic material and convert it to inorganic material. Which part of the carbon cycle does this describe?

Which reason best explains why bacteria are good at causing infections in other organisms?

According to the cladogram, which characteristic was used to separate bony fish from amphibians?