Answered: 3) Climate changes cause a drought.…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Group and Mutation	Time Taken to Collect Candy	Time Taken to Eat Candy
A Extra long nails	1 minute 3 seconds	8 minutes 12 seconds
B No digits; hands paddle-like	15 seconds	7 minutes 18 seconds
C Normal	22 seconds	2 minutess 44 seconds
D Hands fused in front of body; no range of motion	Did not collect 15 pieces. Collected 11 pieces	Ate 11 pieces; 4 minutes 12 seconds
E Webbing on hands and feet	11 minutes 45 seconds	17 minutes 12 seconds
F No peripheral	3 minutes 2 seconds	2 minutes 52 seconds
G Blind	Did not collect 15 pieces. Collected 4 pieces in 4 minutes	Ate only 4 pieces; 1 minute 16 seconds
H Short legs; normal number of digits on hands and feet	55 seconds	3 minutes 2 seconds

Natural selection involves changes in the genetic makeup of a population over a period of time. The random change of DNA from parent to offspring, called mutations, can help produce variations in offspring. Some mutations can be helpful, while others can be harmful. In this experiment, students modeled random mutations. Data was collected to determine if the mutations were helpful or harmful when trying to collect and eat food.

3) Climate changes cause a drought. There is no food to collect. To survive, the animals must become predators, catch and kill prey for food. Compare and contrast the traits of each group. Which group(s) would you expect to survive and reproduce, passing on the traits to future offspring?

A) Group A

B) Groups A and C

C) Groups A, C, and E

D) None of the groups.

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