Which tool should you use to break up hard soil and to pry rocks apart?

1. altimeter

2. sieve

3. hand lens

4. geological pick

How does water erosion affect humans? What are the short-term effects to humans? (Property damage, contaminated water, damage to crops, etc.)

A plant heterozygous for yellow seeds is crossed with a plant homozygous for green seeds. Use the Punnett square to predict the genotype of the offspring.

Explain why decomposition uses solar energy?

You and your physiology instructor are trapped in an overturned ship. To escape, you must swim underwater a long distance. You tell your instructor it would be a good idea to hyperventilate before making the escape attempt.

The diploid number of chromosomes in a human skin cell is 46. The number of chromosomes found in a human bone cell is A. 46 B. 23 C. 92

How does predation differ from parasitism? Question 5 options: Parasites are only insects or mites, while predators can be any kind of large animal. Parasites rarely kill their host, while predators kill their prey.

What soil properties are influenced by microorganism activity?

What two rules are necessary to have a stable atom?

Prairie dogs are an example of A. an abiotic factor B. a producer C. a Keystone species

Ion channel gates close the pores of some ion channels in response to Select one: a. a change in electrical charge. b. stretching of the cell membrane. c. the binding of specific molecules to the channel. d. All of the above