Which of the following statements about change in ecosystems is true?
a. ecosystems experience change through human activity only.
b. ecosystems experience change through natural events only.
c. ecosystems experience no change.
d. ecosystems experience change through human activity and natural events.

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin

Urgent in guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?

What is the purpose of presenting a false dilemma in a speech?