Gas exchange in an echinoderm takes place through

A. book lungs.

B. skin gills.

C. lungs.

D. none of the above.

The appearance of a pebbly texture on the surface of a deep wound indicates what process is taking place?

What is the main function of vasscular tissue in vascular plants?

Is Endoplasmic a plant or animal cell

Which is an example of a population? A. all the red tailed foxes in the meadow B. all of the individuals making up a species C. each goose in a gaggle of geese D. one blade of grass in a prairie

Visible light can be separated into the colors of the rainbow. What instrument is used to produce a spectrum?

What are telomeres? What are telomeres? ""junk DNA"" present throughout the length of our chromosomes protein caps found on the ends of chromosomes DNA sequences which code for making proteins that regulate cell division regions of DNA at the end of

A plants can have either brown b. or red b. leaves. Brown is the dominant trait is a plane as a genotype Bb which best describes the plant. a. Homozygous with brown leaves. b. Heterozygous with red leaves c. Homozygous with red leaves. d.

Is the following genotype homozygous dominant, homozygous recessive, or heterozygous? Gg

As part of an experiment to measure decomposition rates of different materials, students put food scraps from the cafeteria in compost bin A and leaves and grass clippings in compost bin B for six weeks.

The arctic tundra can be found in