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Biology 9th grade
Biology 9th grade
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2nd semester exam review
Flashcards
35 cards
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Practice quiz
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Host live
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Questions
35
Answers
1
Organisms well suited to their environment
live longer than other organisms
are larger than other organisms
need less food than other organisms
reproduce at a greater rate than other organisms
2
The photosynthetic algae in this diagram are
parasites
producers
consumers
decomposers
3
A species
an adaptation
is a broadly defined group of organisms
has the same meaning as "population"
is a narrowly defined group of organisms
4
A pathogen is an agent that is
harmful only to plants
beneficial to humans
harmful to living organisms
nearly extinct
5
One difference between plants and animals is that plants are
prokaryotic and animals are eukaryotic
autotrophs and animals are heterotrophs
heterotrophs and animals are autotrophs
eukaryotic and animals are prokaryotic
6
This diagram shows how energy moves through an ecosystem--what is it called?
food chain
habitat
food web
foot net
7
Tissues organized into specialized structures with specific functions are called
organelles
organ systems
organic
organs
8
All animals
have cells without cell walls
all of these
are heterotrophs
are multicellular
9
We know viruses are not alive because
they cannot use energy
all of these
they are not cellular
they cannot make proteins
10
The primary producers in a grassland ecosystem are
algae
bacteria
insects
grasses
11
The largest taxonomic group organisms can belong to is
genus
kingdom
domain
family
12
Homologous structures suggest that organisms
are now extinct
have a skeletal structure
lived at different times
have a common ancestor
13
In order to fit into their habitat, Galapagos finches
migrated
evolved
did not change
died
14
Which is a mutualistic relationship?
when one benefits and the other is NOT harmed
when one benefits and the other IS harmed
when both organisms benefit
when one benefits and the other is eaten
15
Antibiotics are ineffective against viral infections because
viruses are protected inside their host cells
antibiotics kill bacteria not viruses
the protein coat protects the virus
viruses have enzymes that inactivate the antibiotics
16
The process by which a species becomes better suited to its environment is
development
adaptation
variation
photosynthesis
17
Where did Darwin do most of his research?
the Samoan Islands
Manhattan Island
the Galapagos Islands
the Hawaiian Islands
18
Eukaryotes that lack features of animals, plants, or fungi, are placed into which kingdom?
Viruses
Protista
Archaebacteria
Eubacteria
19
The cycle of viral infection, replication, and cell destruction is called the
bi-cycle
lytic cycle
lysogenic cycle
metabolic cycle
20
An ecosystem consists of
all of the above
energy
soil, water, weather
a community of organisms
21
What distinguishes animals from other kinds of organisms, such as plants, fungi, and bacteria?
animal cells have rigid cell walls
animal cells contain chlorophyll
animals reproduce sexually
Animals are capable of complex and rapid movement
22
Plantae is an example of a
domain
family
class
kingdom
23
A flower is a
vegetative structure
homologous structure
photosynthetic structure
reproductive structure
24
Four of the kingdoms of life are eukaryotic, the other two kingdoms are
fungi
plants
prokaryotic
animals
25
Natural selection is the process by which
the age of selected fossils is calculated
farmers breed larger ears of corn
organisms adapted to their environment survive and reproduce
acquired traits are passed from one generation to the next
26
Fungi obtain food by
nitrogen fixation processes
photosynthesis
digesting food externally before absorbing it
chemosynthesis
27
Which is a relationship between producer and consumer?
fox eating a mouse
zebra eating grass
snake eating a bird
lion eating a zebra
28
A mosquito feeding on a human is an example of
predation
parasitism
symbiosis
mutualism
29
This diagram is called a(n)
community
food web
energy pyramid
food chain
30
Which describes a population?
roses and tulips in a garden
dogs and cats living in Pecos, TX
four species of fish in a pond
cottonwood trees in Pecos, TX
31
Fungi are
omnivores
autotrophs
decomposers
scavengers
32
Oxygen and nutrients are transported around an animal's body by the
digestive system
nervous system
circulatory system
skeletal system
33
Most plants are
vascular
heterotrophic
prokaryotic
non-vascular
34
Level A is composed of
producers
carnivores
omnivores
herbivores
35
Various organs that carry out a major body function make up a(n)
tissue
organism
organ system
organ