Answer:
Variation, Overproduction, Adaptation, Descent with Modification
Explanation:
Variation: Heritable differences that exist in every population are the basis for natural selection.
Overproduction: Competition between offsprings for resources.
Adaptation: a trait that helps an organism survive and reproduce
Descent with Modification: Natural Selection will result in species with adaptation that are well suited for survival and reproduction.
A. The decrease in growth rate of some human populations
10 the answer is number 10
The connecting piece of a sperm is packed with gonads that produce energy.
Sperm is the male reproductive cell and is derived from the Greek word "Sperma" Significance is Root.
Sperm cannot divide and have limited life span, but after fusion with egg cells through fertilization, a substitute orgasm begins developing, starting as a totipotent zygote
Chemical bonds should be the correct answer choice.
