Lab: Ecological Succession — Cumulative exam Answers

Which kingdom(s) include both unicellular and multicellular organisms?

The graph shows the changing levels of hormones during menstruation and ovulation. Which hormone has the most influence on preparing the body for pregnancy?

A relationship in which one organism benefits while the other is neither harmed nor helped is called

Why do a chicken embryo and a cow embryo look very similar even though the adults do not?

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?

Which actions are involved in the immune response?

It can be seen on a cladogram that modern birds and reptiles share a common ancestor. Select the piece of evidence that best supports this idea.

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?

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Consider the diagram of the basic structure of bacteria.Which of the labeled structures in the diagram allows bacteria to infect organisms under harsh conditions, such as in the acidic stomach?

The body obtains sugar from food. Which system most directly affects blood sugar levels?

Which organisms release carbon dioxide as waste?

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?

In the heart, one ventricle pushes blood with oxygen to the cells of the body. Where does the other ventricle push the blood without oxygen?

Which best explains why a thick tropical forest filled with large plants typically has a lot of water vapor in the air?

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

How could the loss of biodiversity affect humans?

The diagram illustrates the water cycle.

When calcium levels in the blood are too low, the body releases a hormone that removes calcium from the bones. A person who suffers from a certain type of thyroid disease will often have low blood calcium and brittle bones because the body is taking the calcium from the bones. The afflicted person will typically see an endocrinologist, who studies hormones, and an orthopedist, who studies bones. What do these two doctors have in common?

A commercial on television advertises a new medicine that claims to boost immunity. You want to verify that the claim is scientifically based. Which source is least likely to provide you with accurate information about this new medicine?