Which of the following resources is natural, biotic, and exhaustible?

a. silk,

b. forest,

c. minerals,

d. water

What is made up of a group of cells with the same function

Earths oceans absorb carbon dioxide emitted by humans and other animals, and eventually turn it into carbonate rocks. Which ''spheres'' are part of this process? Select all that apply.

Which of the following groups would an animal with an exoskeleton, segmented body, and jointed appendages belong to A) mollusks B) segmented worms C) cnidarians D) arthropods

Compare and contrast the terms living and biotic

What Is one benefit of using tides for energy? A. Increased carbon dioxide production B. unlimeted energy C. reduced greenhouse gases D. Alteration to tides in area

Access to water is critical to survival in plants. Since competition reduces fitness, natural selection tends to favor species that partition available resources.

Assuming that a mountainside, which slopes and has a plain, which is flat, received the same amount of rain, which is more eroded?

Which would least likely be seen on an information pamphlet for red tide? People tend to stay out of the water in the area of a red tide. People are warned to avoid eating shrimp and lobster.

Resident microflora: a. can be found in the stomach and are adapted to acidic conditions b. may be responsible for opportunistic infections in immunocompromised c. may be permanent or transient

Scientific thinking: how can scientists assess the health risks of trans fats