Which is most likely to cause a mass extinction?

A. Having a single dominant predator

B. High levels of earthquakes

C. Frequent volcanic eruptions

D. Mountain building

What happens during cellular respiration

Where does most of the oxygen in the atmosphere come from? A. the process of evolution B. the process of photosynthesis C. the process of respiration D. the process of cellular respiration

If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is_? A. identical to only one parent B. the recessive traits of each C. a unique combination of both parents

Water that falls to Earth as rain, snow, sleet, or hail is called a. condensation. b. evaporation. c. precipitation. d. transpiration.

Explain how the following pieces of evidence lead to the model of DNA as a double helix with complementary, antiparallel strands: 1) the amount of A always is equal to T & G is always equal to C, 2) the sugar-phosphates are on the outside of the

Analysis of pedigrees using knowledge of Mendelian principles allows us to; Determine whether the trait has a dominant or recessive pattern of inheritance Determine whether the gene in question is located on an X or Y chromosome or on an autosome

What is the approximate time of death if the body temperature was 24°C?

The brain and spinal cord are part of what system? 1.) respiratory system 2.) Central nervous system 3.) all of the answer choices are correct 4.) peripheral nervous system

Which of the following takes place during translation? a) DNA replication b) The conversion of genetic information from DNA nucleotides into RNA nucleotides c) The conversion of genetic information from the language of proteins to the language of

Growing exotic (nonnative) plant species in parks and gardens could lead directly to an increase in the (1) biodiversity of the autotrophs that feed on them (2) populations of native carnivores (3) competition between them and native producers (4)