Which freshwater ecosystem is most productive?

A. Bog

B. Creek

C. Marsh

D. Stream

Which idea did Lamarck propose that was rejected by his fellow scientists? Acquired traits can be passed to offspring. Fossils show the behaviors of ancient species. Organisms evolve by acquiring behaviors.

A raccoon eats a morel mushroom in the illinois woods. which of the following is true?

If corn #1 comes from a parental generation composed of homozygous purple kernels and homozygous yellow kernels then, the monohybrid cross will produce a generation that is heterozygous color purple dominant.

Mass and_are two things that affect the strength of the gravitational force

Which of these is an abiotic infectious agent? A. Bacteria B. Fungi C. Parasites D. Viruses

How can we use rocks to determine how an area used to look in the past?

What type of bonds connect the deoxyribose sugars to the phosphate group?

What are proteins made up of?

What are at least 5 important words associated with the water cycle? What do they mean? Why are they important?

Which of the following organisms is NOT a protist? a. water molds c. Amoebas (protozoans) b. Escherichia coli d. Diatoms (algae)