Which is produced when an egg cell is fertilized by a sperm cell?

a

larva

b. an embryo

c. a spore

d. pollen

An ecologist observes similarities between a species of bear in North America and a species of bear in Asia. Which is the most likely reason that these two species have similar physical characteristics? 1.

Which is the primary advantage of instincts, such as the tendency of a mother bear to attack anything between herself and her cubs?

What pattern is described by the theory of punctuated equilibrium?

Why do cancer cells spread uncontrollably

What is a possible outcome of bad credit? A. Decrease in interest rates on credit cards B. Increase in insurance premiums C. Increase in new credit card offers D. Decrease in employment compensation

Describe why the San Andreas Fault could cause so much devastation in California.

as the flames heat the gasses in the hot air ballon, the volume of the gasses increases. At constant pressure, the volume of all gasses increase with temperature. Is this statement a scientific theory or law? Explain

What is a biological entity?

Toxic waste can enter foods through the contamination of groundwater. True or False?

An organism that is heterozygous for a particular character will generally show the recessive trait. a. true b. false