The example of a whale beached by the tides illustrates that

1. tides occur twice a day

2. tides impact marine life

3. tides are a leading killer of whales

4. tides are usually deadly and destructive

How was the moon created?

What is an organism made up of many cells called? A. Unicellular B. Paramecium C. Multicellular D. Prokaryote

What is the similarities between serine and lysine? (refers to amino acids)

Are bivalves protostomes or deuterostomes?

Stars are objects in space that produce their own heat and light. Where would the greatest number of stars be found? A. in a galaxy B. in a solar system C. in an asteroid belt D. in a meteor shower

10. What is a genotype? A an organism's combination of genes for a trait B an organism's appearance as a result of its genes C the ratio of dominant to recessive genes in an individual D the collection of dominant genes in an organism

How much of a person's weight is water?

What are the two components of the central nervous system in vertebrates?

A river has a large amount of algae growing. Which most likely caused the growth?

Which of the following statements is true? Natural energy sources are nonrenewable and being depleted. Current fuels are not polluting the air. Mercury released into aquatic ecosystems comes from rock erosion.