The Cycles of Matter Answers

What kind of display would be the best way to represent the data below?Type of speciesCritically endangered (%)Endangered or vulnerable (%)Plants1370Invertebrates035Freshwater fish937Amphibians730Reptiles528Birds012Mammals221

A hunter illegally kills a wolf in Yellowstone National Park and attempts to bring the wolf's skull back to Florida. Which law is the hunter violating?

Similarities between seemingly unrelated organisms can be explained by Darwin’s theory that organisms come from common ancestors.

Which of the following is not true about Darwin’s book On the Origin of Species?a.He worked on the manuscript for three years.b.It was successful.c.It explained his theory of evolution.d.It was based on his findings in South Africa.

Review the picture below.Which would be the most accurate title for this picture?

Which of the following is the best explanation for why finches on one of the islands in the Galapagos have large beaks while finches on another island have small beaks?a.Over time, the finches on the island adapted as a result of competition for resources.b.Finches migrated until they found finches with similar beak sizes.c.Finches spontaneously changed their beak size in order to better access food supplies.d.Finches with large beaks are always better adapted to their environment. Finches with small beaks only survive on islands where there were never finches with larger beaks.

An ecosystem has experienced a flood. Which type of plants would you expect to see growing first after the flood?

Which of the following is not a part of Darwin’s theory of evolution?a.Changes in organisms occur immediately.b.Organisms change over time.c.Species evolution occurs through natural selection.d.Organisms developed from common ancestors.

What is the role of a pioneer species in primary succession?

Which factors involving the activities of people are a threat to biodiversity?

Which of the following is a physiological adaptation? a. group hunting b. hyoid bone adapted for roaring c. dark coloration d. migration Please select the best answer from the choices provided

On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake. During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and ice at the top of the volcano and producing volcanic mudflows. Which type of process first occurred in the ecosystem around Mount St. Helens after it erupted?

Organisms use different types of adaptations to aid in their survival.Which of the following is an adaptation that would not help a lion to catch its prey? a. group hunting b. hyoid bone adapted for roaring c. camouflage d. keen eyesight Please select the best answer from the choices provided

Which question could be tested in a scientific manner?

Amy was observing the growth of five kinds of flowering plants on a windowsill. She noticed that some of the flowers on some of the plants turned toward the sun during the day, but the flowers on other plants did not turn toward the sun. She asked the following question.“Why do living things sometimes change direction?”Why is Amy’s question not a very good scientific question?

Why is this a scientific question?“Do people perform better on exams when they wear their favorite color?”