What is macroevolution?

a) genetic changes among and within populations

b) minor changes in populations over a long time

c) changes in a population's allele frequencies

d) major changes in populations over a long time

What does a biologist study? O A. The history of ideas O B. The living world C. Weather patterns D. Subatomic particles

In northeast Kansas, there is a creature knwon as a wildcat. It can be found in three colors; red, blue & purple. A homozygous (BB) individual is blue, another homozygous (bb) is red, and a heterozygous (Bb) is purple.

Which statement is true about silver and gold

Which of the following cavities would a surgeon performing an operation on the intestines have to open? A) Abdominopelvic and abdominal B) Thoracic and abdominal C) Abdominopelvic and thoracic D) Thoracic and pericardial

Which group of animals has existed the longest? a. tubulidentates b. perissodactyls c. artiodactyls d. sirenians

How does the population growth rate affect how long Earth's coal supply will last? A. The coal supply lasts the longest when the population growth rate is high. B. The coal supply is used up the slowest when the population growth rate is average. C.

Within which structure does the placenta normally develop

A 29-year-old female presents with fever, cloudy urine, flank pain, and hematuria. these signs and symptoms support which diagnosis

What is the term for a male reproductive cell?

What happens if people keep killing sharks and who wants to stop it and how may do we kill a year