Researchers crossed a heterozygous tall pea plant (Tt) with a homozygous short pea plant (tt). What is the probability that this cross will produce homozygous short (tt) offspring?

A. 0%

B. 25%

C. 50%

D. 100%

Which scenario might impact the environment a. high Life expectancy b. high protection from floods c. high birth rates d. high levels of safety

The allee effect a. is caused by variation in k, carrying capacity. b. occurs when the population growth rate declines at low population density. c. protects species from extinction. d. none of the above.

How did fossil fuels form, and how are they obtained and uesd?

Movement of water from a greater to a lesser concentration is

Which of the following is transmitted by Aedes mosquitoes? A. yellow feverB. both dengue fever and yellow feverC. malariaD. dengue fever, yellow fever, and malariaE. dengue fever

How do microorganisms eliminate harmful material?

An animal that regulate its body temperature by producing heat within its own tissue -community -decomposer -ecology -ecosystem -endotherm

Two parents of normal phenotype have a son with an autosomal recessive linked genetic disorder. What is the most likely cause of this? a. Both parents must be heterozygous for the disorder, or carriers. b.

A clock that sets five minutes fast is less than an identical clock that keeps correct time true or false

The main difference between lactic acid fermentation and alcoholic fermentation is that lactic acid fermentation a. produces more energy than alcoholic fermentation. b. produces less energy than alcoholic fermentation. c.