Why do two giraffes have spots with different shapes and patterns?

a. exposure to sunlight

b. different inherited traits are expressed

c. different acquired traits

d. color change based on diet

During which periods did dinosaurs exist select all that apply

The cell cycle is divided into two phases interphase and cytokinesis is this true

A class of drugs that inhibits the growth of bacteria without harming the host is known as a. antibiotics. b. antivirals. c. antifungals. d. hmg coa reductase inhibitors

What best describes the offspring produced by sexual reproduction? A. genetically identical with one another, but not a parent B. genetically identical with one another and one parent C. genetically varied and not identical to either parent D.

One negative impact on humans when the use of pesticides for mosquitoes is decreased.

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

Some speciea undergo long peiods of stability interrupted by geologically brief periods of signifficant change. During these brief periods, new species may evolve. This pattern of evolution is part of the concept of

Darwin and Haeckel used the analogy of a wheel to represent phylogenies.

What is allele frequency