FINAL EXAM REVIEW: 52 Questions from First Semester Tests

FINAL EXAM REVIEW: 52 questions from first semester tests!!!!!

Is it possible to make new water?

Is the water that fills your toilet and sink from the same place? If your pipes are old/gross, why can you still drink from them?

Do you pay the actual cost of water?

Describe why controlling invasive species is difficult:

Are successful invasive species generalists or specialists? What are the types of fish reproduction?

Describe what happens when fish spawn:

Define “macroinvertebrate”:

What are the two groups of macroinvertebrates?

What type of cells do protists have?

Differentiate between anadromous and catadromous:

Have humans actually ever seen eels in the act of spawning? What are mollusks?

How do clams eat?

In clams, which muscle is bigger?

Crayfish live in which type of water?

What percent of the Earth’s water supply is fresh?

What powers the hydrologic (water) cycle?

Define erosion: Define watershed:

What percentage of the earth is covered in water?

What makes up most of the Edwards Aquifer?

Most of the Earths freshwater is in:

Who sets the standard for drinking water in the US? Why are cedar trees bad?

What is the only natural lake in TX?

Describe the following levels of organization: Species, Population, Community, Ecosystem, Biome, Biosphere

What is the difference between producers and consumers? How are consumers identified on a food chain, web, or pyramid? (How do we know their place?)

How much energy is transferred to the next trophic level? What happens to the other percentage? Natural disturbances can cause what ecological phenomenon? Differentiate between mutualism, commensalism, and parasitism:

How can you tell the age of a fish?

What are the two main sources of fresh water?

What part of a river is the beginning?

What is the world’s only freshwater seal?

What is the purpose of fish travelling long distances to spawn? Differentiate between vertebrates and invertebrates:

Why are macroinvertebrates important to ecologists?

How do protists move?

List some examples of mollusks:

What makes the shell/pearls in a mollusk?

List the classes of mollusks:

How do clams move?

List some examples of crustaceans:

How can you tell a male from a female crayfish?

Define estuary: