Dichotomous Keys And Adaptations Question Preview (ID: 45907)
Dichotomous Keys And Adaptations.
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A genetic characteristic that allows an organism to survive and reproduce
a) Natural Selection
b) Adaptation
c) Hibernation
d) Selective Breeding
Define selective breeding.
a) An offspring resulting from the cross of two different species or subspecies.
b) Organisms with favorable traits produce more successful offspring causing the favorable traits to become more common.
c) The occurrence of an organism, trait, or gene in more than one form.
d) A form of artificial selection whereby deliberate breeding results in desired traits in plants or animals.
Define hybrid.
a) A form of artificial selection whereby deliberate breeding results in desired traits in plants or animals.
b) Organisms with favorable traits produce more successful offspring causing the favorable traits to become more common.
c) An offspring resulting from the cross of two different species or subspecies.
d) The occurrence of an organism, trait, or gene in more than one form.
Define natural selection.
a) Organisms with favorable traits produce more successful offspring causing the favorable traits to become more common.
b) An offspring resulting from the cross of two different species or subspecies.
c) A form of artificial selection whereby deliberate breeding results in desired traits in plants or animals.
d) The occurrence of an organism, trait, or gene in more than one form.
Define hibernation.
a) Movement to a different geographical region where conditions are more favorable.
b) A parent is a member of one generation, and its offspring are members of the next generation.
c) A slowed physiological state of an organism to survive long periods of cold temperature or reduced food supplies.
d) The occurrence of an organism, trait, or gene in more than one form.
Define migration.
a) A slowed physiological state of an organism to survive long periods of cold temperature or reduced food supplies.
b) The occurrence of an organism, trait, or gene in more than one form.
c) Movement to a different geographical region where conditions are more favorable.
d) A parent is a member of one generation, and its offspring are members of the next generation.
Define variation.
a) A parent is a member of one generation, and its offspring are members of the next generation.
b) Movement to a different geographical region where conditions are more favorable.
c) A slowed physiological state of an organism to survive long periods of cold temperature or reduced food supplies.
d) The occurrence of an organism, trait, or gene in more than one form. Many different types of species.
Define population.
a) A characteristic of an organism; can be genetic or acquired.
b) A group of interacting individuals of the same species located in the same area.
c) A population becomes better suited to its environment, so that it can survive and reproduce.
d) The study of internal and external functions of living systems.
Define adaptation.
a) A population becomes better suited to its environment, so that it can survive and reproduce.
b) A group of interacting individuals of the same species located in the same area.
c) A characteristic of an organism; can be genetic or acquired
d) The study of internal and external functions of living systems.
Define physiology.
a) A characteristic of an organism; can be genetic or acquired.
b) The study of internal and external functions of living systems.
c) A group of interacting individuals of the same species located in the same area.
d) A population becomes better suited to its environment.
A characteristic of some animals to enter a state of deep sleep during the winter months.
a) Hybridization
b) Natural Selection
c) Hibernation
d) Selective Breeding
The monarch butterfly’s response to seasonal changes by traveling a far distance is known as
a) Migration
b) Hibernation
c) behavioral
d) structural
The white fur of an arctic fox helps camouflage it in winter. This is an example of a
a) behavioral adaptation
b) structural adaptation
c)
d)
The hibernation of bears during winter months is a __________ adaptation.
a) structural
b) behavioral
c)
d)
___________ is an internal adaptation that allows plants to carry water up their stem.
a) Structural
b) Migration
c) Behavioral
d) Xylem
Which of the following is most helpful for identifying an organism using a dichotomous key?
a) Its average lifespan.
b) Its habitat.
c) Its sources of food.
d) Its physical structures.
student makes observations of a tree in a nearby forest. Which of the following observations of the tree’s characteristics would be useful in determining its identity with a dichotomous key?
a) It provides shade for ground brush.
b) Its leaves are long and narrow.
c) Its branches were recently cut.
d) It contains the nests of several birds.
______________are a group of individuals that can interbreed with one another.
a) Dichotomous Key
b) Species
c) Taxonomy
d) Observations
A _______________________is a tool used to identify or classify organisms.
a) Species
b) Dichotomous Key
c) Taxonomy
d) Observations
Define taxonomy.
a) A tool used to identify or classify organisims.
b) A group of individuals that can interbreed with one another.
c) The branch of science that formally names and classifies organisms by their structure, function, and relationships.
d)
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