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16 questions
Explain how a mutation in an individual's DNA can become an adaptation in a population. (Mark ALL that apply.)
All mutations are beneficial.
An adaptation occurs if a mutation helps an individual survive and reproduce.
Over generations, the mutation will become more common.
An adaptation occurs if a mutation isn't passed on to offspring.
Why do scientists believe that the horse and zebra are related? (select all)
Because they have the same fur pattern
Because they share many common inherited characteristics
Because they share a common ancestor
All living organisms have DNA
true
false
1. any trait of an organism that increases its chances of surviving and reproducing
artificial selection
allele
adaptation
mutation
Every living thing, from tiny organisms like bacteria, to plants, animals and humans, has some characteristics which make it special. These are called
traits
chromosomes
diet
life expectancies
An animal that is best camouflaged in its environment has the best chance to do all of the following EXCEPT.
survive in the wild
reproduce
pass its color pattern on to the next generation
quickly evolve in a week
Background Matching is a form of camouflage. Which is the correct definition?
a type of concealment in which an organism avoids recognition by resembling its background in coloration, form, or movement
a type of concealment in which an organism looks exactly like another organism
a form of concealment in which the upper surfaces of the body are more darkly pigmented than the unilluminated lower areas.
when an organism’s color is broken up with a pattern like stripes or spots so it confuses or conceals when alone or in a group
Which of the following pictures is an example of disruptive coloration?
Which of the following pictures is an example of mimicry?
Countershading is observed in a wide range of animal groups, including terrestrial animals such as deer, and marine animals such as shark. What is counter shading?
is a method of camouflage in which an animal's coloration looks very similar to another, often poisonous animal.
is a method of camouflage in which an animal's coloration totally matches its backround
is a method of camouflage in which an animal's coloration is darker on the upper side and lighter on the underside of the body.
a form of camouflage that works by breaking up the outlines of an animal with a strongly contrasting pattern.
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