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Biological Diversity Unit
Biological Diversity Unit
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Grade 9- Biodiversity Unit review
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which of the following is
not
apart of Darwin's theory?
only the strongest species survive to pass on traits
over time variation leads to genetic changes within species
there is variations within species
All organisms produce more offspring than will survive
2
________ is the process of selecting & breeding individuals with desired traits
overspecialization
cloning
artificial selection
natural selection
3
Some species can reproduce sexually and asexually
true
false
4
Which of the following best describes meiosis?
occurs only in cells in organisms reproductive systems
carried out in tissues for cell replacement
occurs in all tissues but the brain
it is the first stage of mitosis
5
What is the female reproductive organ within a plant called?
pistil
anther
stamen
embryo
6
Organisms that live in areas where the temperature and food are relatively stable tend to be
specialists
asexual
generalists
consumers
7
__________ is a particular area where living things interact with non-living and living things
ecosystem
niche
stratosphere
population
8
What is an example of asexual reproduction?
cross pollination
a pup looks like it's mom and dad
organism cloning itself
when zygotes are produced
9
Which of the following is an example of discrete variation?
skin color
blood type
height
hair color
10
Lichens that is sensitive to acid in rain reveal areas of air pollution, this is an example of
a bioindicator species
a biological species
a impact species
an extirpation species
11
________ reduces the number of species on the planet.
natural selection
extinctions
parasitism
extirpations
12
What is a
disadvantage
to sexual reproduction?
Creates variation among offspring
lots of offspring are produced quickly
Can only produce limited offspring
doesn't require gametes
13
Which has the least number of chromosomes?
at the end of mitosis
chromosomes in a gamete
chromosomes in a body cell
chromosones in a zygote
14
A panda only eating bamboo is an example of
resource partitioning
niche
overspecialization
generalist
15
Which of the following is an example of a heritable trait?
happiness
brown eyes
scars
purple hair
16
What is the relationship between organisms in mutualism?
none of the organisms are benefited
One is harmed and one is benefited
One is benefited, the other is not harmed
both are benefited
17
Which classification is most specific when identifying organisms
Classes
Phyla
Orders
Families
18
What is the stigma in a plant for?
contains pollen
male part of the flower
Stalk that supports the anthers
sticky part of the pistil, to collect pollen
19
Two parents with a dominate trait can give their child a recessive characteristic.
False
True
20
What is a niche?
a way of living with other organisms
to divide a resource among species
the role of an organism in an ecosystem
when two species compete for the same food
