Unit Test — Cumulative exam Answers

Which of the following could result in secondary succession?

The picture represents gas exchange in the alveoli. Observe what is happening at location X.

Sublimation is the opposite of deposition just as evaporation is the opposite of

Scientists group organisms into kingdoms by looking at specific characteristics. Thermus aquaticus, shown below, is a specialized bacteria called a thermophile. Thermophiles are microorganisms that can live in bodies of water that are extremely hot, such as deep sea hydrothermal vents.Which characteristic most likely describes a mushroom but not Thermus aquaticus?

What would happen to life on Earth if all the liquid fresh water were used up?

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

A population of zebras experienced ten births, six deaths to predation, three deaths to disease, three individuals joining the population, and zero individuals leaving. What is happening to the population growth?

These statements compare and contrast Ascomycota and Basidiomycota.I. Some species in both groups can cause plant diseases.II. Species from both groups can be used in making bread rise.III. All species in both groups can be used as food.IV. Ascomycota produce spores in a sac-like structure; Basidiomycota produce spores in a club-shaped structure. Which of the statements are true?

How do limiting factors most affect population size?

Consider the photograph. The taller man's condition is due to a malfunction in the pituitary gland, which secretes growth hormone. Damage to which part of the brain may be indicated by this condition?

Consider the generalized cladogram of fish.Osteichthyes is a group of fish that have the derived characteristics of jaws and true bones. Which letter corresponds to where Osteichthyes belongs on the cladogram?

Many schools require applicants to take a test, such as the SAT or the ACT, as part of the admissions process. These tests determine students’ knowledge in the subject areas of reading, writing, math, and science. They consist of a variety of question types, including multiple choice, short answer, and essay. Which part of the central nervous system helps students remember the correct answers to the questions on these exams?

How could the loss of biodiversity affect humans?

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

The picture represents a structure of the respiratory system.

Which statement accurately describes reproduction in animals?

What is the primary source of energy for food chains in an ecosystem?

Kaya had an organ transplant. She went to the doctor a week later, and the doctor did a blood test. Her lymphocyte count had increased. She went to the doctor a month later for the same test, and her lymphocyte count was higher. What is the best explanation as to why her lymphocyte levels were increasing?

What do sclerenchyma and collenchyma have in common?

Read this passage about global fishing.Global consumption of large fish has led to an exploitation of fish populations. Overfishing has led to a decline in the populations of many species of large fish including North East Arctic Cod. The graph below shows the decline in the cod population.As the human population grows and countries continue to develop, the demand for large fish has been steadily increasing. Unfortunately, the average size of the cod has decreased because the fishing nets were designed to catch the large fish and the smaller individuals could escape more easily.What is most likely happening to the genetic variation of the population of North East Arctic Cod?