During the 1970s, areas of the bay were found to have low levels of oxygen and could not support life. What was the cause of this problem?

Which muscle type contains branched striated cells, centrally located nucleus, intercalated discs, and produces involluntvry contrations?

Which description best contrasts gross and microscopic anatomy? A.) Gross anatomy refers to parts of an animal that are internal, whereas microscopic anatomy refers to parts outside the body. B.

The Hardy-Weinberg equation is used to determine the frequency of which alleles in a population? a. recessive alleles b. hybrid alleles c. dominant alleles d. masked alleles

Which two of these statements are true about mammals? - _The females have mammary glands. _The females give birth to live young. _They breathe using gills. _Their endoskeleton is made up of chitin.

Which phrase describes the study of ecology? A. comparing biotic and abiotic ecosystems B. transfer of light energy to chemical energy C. organisms that reproduce and maintain structure D. how living things are interconnected with their environment

Why is it important to monitor tides

Total these measurements. Your answer should indicate the proper accuracy. Include units. 22.1 L 43.20 L 86.1221 L 91.52 L

What is the biological importance of chlorophyll

What is the difference between the key words "trait" & "allele"?

A cuticle occurs on the surface of organisms of many phyla and appears to be an advantageous feature. why have higher organisms not retained this structure?