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VA SOL 7th Grade Life Science FINAL EXAM REVIEW Flashcards | StudBud
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VA SOL 7th Grade Life Science FINAL EXAM REVIEW
VA SOL 7th Grade Life Science FINAL EXAM REVIEW
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Life Science Final grade 7
Flashcards
33 cards
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Practice quiz
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Host live
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Questions
33
Answers
1
What term describes two organisms that are seeking the same resources?
Competition
ecosystem dynamics
population disturbances
cooperation
2
In the scientific name homo sapiens, the word sapiens is the human's
kingdom
species
genus
class
3
Human population is increasing. What factors affect population growth?
birth rate
availability of resources
all of these
death rate
4
What process is occurring in the picture?
Dormancy
Transportation
Hibernation
Phototropism
5
Members of a bee colony work together to meet the needs of the colony. What is their relationship?
territorial-ism
cooperation
parsitism
competition
6
Which level of classification is the largest?
domain
species
family
genus
7
If otters have fewer shellfish to eat, what might happen?
adapt to a different ecosystem
increase reproduction rates
experience a population decline
change their genetic makeup
8
What is this diagram modeling?
singular trait of a horse at one moment in time
DNA structure of a horse
evolution of the horse over time
extinction of the horse over time
9
What is the niche of a species?
an interaction between two organisms
relationship of mutual interdependence
capturing of prey
the purpose of an organism in its ecosystem
10
What adaptation is used to help an animal blend in with its surroundings?
instinctive reactions
hibernation
camouflaged with its surroundings
mimic a dangerous species
11
What would happen in an ecosystem if pollution killed all the plants?
only the herbivores would decrease
only the carnivores would decrease
all populations would decrease and die out
the animal populations would increase
12
What is the correct order of the 7 levels of classification?
domain, kingdom, phylum, class order, family, genus,
kingdom, phylum, class order, family, genus, species, domain
13
If there are fewer predators, what will happen to the prey?
they will increase
they will flucuate
they will stay the same
they will decrease
14
Which type of organisms must have the largest population in any ecosystem?
primary consumers
producers
tertiary consumers
secondary consumers
15
Which is an abiotic factor?
redwood trees
polar bear
streptococcus
rain
16
The process where a species passes out of existence
exclusion
expelling
existence
extinction
17
The diagram shows how dead zones form due to nutrient pollution. What is this process called?
Eutrophication
Phototropism
Climate Change
Niches
18
Which of the following is NOT a kingdom in the domain Eukarya?
Plantae
Archaebacteria
Protista
Mammalia
19
In the carbon-oxygen cycle, plants breathe in ____ and animals breathe in ____
nitrogen
carbon monoxide
carbon dioxide
oxygen
20
What cycle is shown in the diagram?
Nitrogen Cycle
Water Cycle
Oxygen Cycle
Growth Cycle
21
An elephants trunk allows it to eat, throw, smell and communicate. This is an example of
competition between species
an adaptation for survival
symbiosis between 2 species
variation within a single species
22
Two animals that look alike and can reproduce are
classified within the fungi kingdom
the same species
composed of prokaryote cells
classified in different domains
23
Which animals are cold-blooded (ectothermic)?
jellyfish, anemone, dog
trout, frog, snake
snake, human, blue bird
frog, cardinal, trout
24
When the same species begins eating different foods and it changes beak shape, this is due to
mutation of a species into one or more new species
clones of an individual (identical twins, triplets, etc)
variations between individuals in a species
extinction of the species
25
Which type of biome has the greatest diversity of life?
tundra (cold, lots of snow)
tropical rain forest (always hot, lots of rain)
desert (hot, very little water)
grasslands (warm & cold, occasional rains)
26
The major role of bacteria, fungi and other decomposers is to
recycle nutrients into the soil
provide water
produce food
keep soil from eroding
27
Where would organisms be found that have adapted to live in both freshwater and salt water?
inland lake
open ocean
estuary
inter-tidal zone
28
Clownfish help sea anenomes get food and the anemone protect the fish. Relationship?
Parasitism
Competition
Commensalism
Mutualism
29
Large geographic areas that have similar climates and ecosystems are called
habitats
biomes
populations
communities
30
According to this food web, what are the primary or first level consumers ?
grass and trees
fox, mouse, frog, snake
mouse, insects, squirrel, rabbit
fox, owl, snake
31
Which one is an example of a population?
a group of fish that are all alike
one individual fish
all the biotic and abiotic factors in an area
all the plants and animals in an area (biotic factors)
32
If you cut down thousands of trees, what happens to CO2 levels in the air?
CO2 will increase and O2 will increase
CO2 will decrease and O2 will decrease
CO2 will increase and O2 will decrease
CO2 will decrease and Oz increase
33
How are fungi
different
from plants?
fungi and plants have a nucleus
fungi and plants have cell walls
most fungi and plants are multicellular
plants have chlorophyll and fungi don't
