Natural Selection Ch. 1-2 Review
Authored by Autumn James
Science
8th Grade
NGSS covered
Used 27+ times
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25 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
A population can be described by:
the traits present
the number of individuals who have each trait
the different species of organisms in it
abiotic factors
Answer explanation
A population only has ONE kind of organism (species). Each organism of that population can have different traits. For example, a population of betta fish can have many different colors (traits).
Tags
NGSS.MS-LS4-4
NGSS.MS-LS3-1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of individuals with each trait in
a population ________________ over time.
can change
stays the same
Tags
NGSS.MS-LS4-4
NGSS.MS-LS2-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Over many generations, individuals with _______________ become more common in
a population, while individuals with _________________ become less common.
adaptive traits ; non-adaptive traits
non-adaptive traits ; adaptive traits
Tags
NGSS.MS-LS4-4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The traits that __________________ in a population determine which traits can become more common over many generations.
exist
an organism wants
Tags
NGSS.MS-LS4-4
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Whether or not a trait is adaptive depends on the _______________________.
Answer explanation
These 4 peppered moths are on dfferent parts of a tree. The environment that the moth is in determines if the moth wll be able to survive and reproduce. Which moth has an adaptive trait on the top part of the tree? Which moth has an adaptive trait on the bottom of the tree?
Tags
NGSS.MS-LS4-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biologists analyze data about __________________________ (the causes) to explain changes in ______________________________ (the effects).
environmental conditions ; the distribution of traits in populations
the distribution of traits in populations ; environmental conditions
Tags
NGSS.MS-LS4-4
NGSS.MS-LS2-4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Instructions for making protein molecules
nucleus
chromosomes
DNA
genes
Tags
NGSS.MS-LS3-1
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