Explain the key differences between gradualistic equilibrium and punctuated equilibrium.

What will be an ideal response?


Gradualistic equilibrium is when new species evolve from a series of small changes that occur constantly over time. This results in transitional forms. Punctuated equilibrium is when species evolve from a series of abrupt, rapid changes after a period of little or no change. This results in few transitional forms.

Biology & Microbiology

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An examination of the arrangement of bones in the hand is an example of a(n) ____

a. ecological study b. taxonomic study c. anatomical study d. physiological study e. homeostatic study

Biology & Microbiology

The ________ is an extraembryonic membrane that surrounds the embryo and serves to protect and cushion the embryo

Fill in the blank(s) with correct word

Biology & Microbiology

Currently, the influenza viruses used for manufacturing vaccines are grown in

a) Petri dishes. b) cell cultures. c) egg embryos. d) test-tube slants.

Biology & Microbiology

James and Sally wanted to have a baby but were not having any luck, so they decided to try an artificial means of conception. They eventually were directed to a laboratory, where sperm and eggs were placed in a dish. This allows a sperm to merge with the

egg as it would in the oviduct. This procedure is called ________. A) surrogate motherhood B) in vitro fertilization C) gamete intrafallopian transfer D) zygote intrafallopian transfer

Biology & Microbiology