Name: _______________
7th Grade Life Science - SOL Review
SOL LS.2
1. Complete each statement about
the cell theory.
*a. All cells come from _other
cells_________.
*b. Cells can carry out all of _life’s
functions__.
*c. All __living things___ are made
of cells.
2. What scientific instrument has led
to the development of the cell
theory?
microscope
3. a. What two things are found only
in plant cells?
Chloroplasts and cell wall
b. What is the function of each of
those things?
Chloroplasts- absorb sunlight
Cell wall- protection
4. What can plant cells do that animal
cells can’t?
Make their own food
5. What process creates
reproductive (sex) cells that carry
half the genetic material of the
parent cell?
meiosis
*1 cell = 4 haploid cells
6. What process creates new cells
for growth and repair through cell
division that are identical to the
parent cell?
mitosis
**1 cell = 2 identical diploid cells
7. What are the phases of the cell
cycle?
Interphase, mitosis, cytokinesis
8. Label the steps of mitosis.
a. _prophase_____
b. _metaphase_
c. anaphase_
d. __telephase__
SOL LS.3
1. Groups of cells create?
tissues
2. Groups of tissues create?
organs
3. Groups of organs create?
systems
4. What is an organism made of one
cell called?
unicellular
5. What is an organism made of more
than one cell called?
multicellular
6. What is the passive transport of
water molecules across a cell
membrane called?
osmosis
7. What is the passive transport of
substances other than water
molecules across a cell membrane
called?
diffusion
8. What is the ability of the cell
membrane to block some substances,
but allow others to pass into the cell?
Selective permeability
SOL LS.4
1. *a. What is the hierarchy of living
things?
Domain  Kingdom  Phylum  Class
 Order  Family  Genus 
Species
*b. How can you remember this?
Do keep pots clean or family gets
sick.
2. What is an organism’s genus and
species called (also called scientific
name)?
Binomial nomenclature
3. What is a group of similar looking
organisms that have the ability to
reproduce called (they would have the
most in common)?
species
4. What domain contains single cell
organisms that can survive in extreme
conditions?
Archaea
5. What domain contains the
kingdoms of Protista, Fungi, Animals,
and Plants?
Eukarya
6. What domain is made up of
microscopic organisms that recycle
nutrients?
Bacteria
7. Identify the animal group (phyla).
* a. Jellyfish, sea anemones, and
Corals cnidarians
*b. Clams, oysters, scallops, snails,
and octopi (most have shells) 
mollusks
*c. Segmented worms
(earthworms, leeches)
annelids
*d. flatworm (tapeworm)
Platyhelminthes
*e. round worms (heart worms)
Nematodes
*f. Insects, spiders, &
crustaceans (lobsters and crabs) 
Arthropods
*g. Sea stars, sea urchins, sand
dollars, and sea cucumbers
Echinoderms
*h. Fish, frogs, snakes, birds,
bears, and humans
chordates
8. Identify the plant group (phyla).
*a. Grows close to the ground, not
true root system, no flowers
mosses
SOL LS.6
1. Identify the cycle and label the
processes belowWater cycle
ferns
*c. Grows tall, true root system,
needles and cones
conifers
*d. Variable sizes, true root
system, flowers, and often
fruit
flowering plants
SOL LS.5
1. What is the process where plants
create their own food?
photosynthesis
b.
d.
c.
e.
*a. __evaporation___
*b. ___condensation______
*c. ___precipitation________
*d. _____transpiration_______
*e. ___runoff____
2. *a. Identify the cycle belowCarbon Cycle
**Formula:
6H2O + 6CO2 + Sunlight  C6H12O6 + 6O2
2. What source of energy is needed
for photosynthesis?
sunlight
5. What do plants use glucose for?
food
6. What chemical in chloroplasts
absorbs or traps sunlight?
chlorophyll
*b. Animals release _carbon dioxide
while plants carry out
___photosynthesis______
3. Identify the cycle belowNitrogen cycle
mouse
*c. What is the 2nd Order
Consumer above?
snake
*d. What is the 3rd Order
Consumer above?
hawk
5. What happens to the number of
organisms and the amount of energy
as you move through a food pyramid
or food web?
It decreases
SOL LS.7
1. What are the five needs of all
animals?
Food, Water, Air, Shelter, and Space
3. What term describes animals
working together to meet a need?
Cooperation
4. What term describes organisms
within a population that have specific
jobs to ensure basic needs are met?
(Bees and Ants)
Social Hierarchy
5. What term describes an organisms
need to establish a habitat in order
to meet basic needs and obtain
resources?
Territorial Imperative
7. What process is the foundation of
virtually all food webs?
photosynthesis
8. What cellular process breaks down
food molecules and releases energy?
Cellular respiration
grass
*b. What is the 1st Order
Consumer above?
2. What term describes animals that
are fighting for the same need?
Competition
3. What two resources are the
reactants during photosynthesis?
Water and carbon dioxide
4. What two resources are the
products of photosynthesis?
Glucose and oxygen
Grass  Mouse  Snake  Hawk
*a. What is the Producer above?
a.
*b. Grows close to the ground,
true root system, no flowers
4. Identify the following:
Animals eat plants; Animals die and
produce waste products;
Decomposers recycle nutrients
6. (True/False) Too much of any of
need can be as harmful as too little.
True
SOL LS.8
1. Identify each as a producer,
consumer, or decomposer.
*a. A grasshopper is a consumer__.
*b. Wheat is a _producer__.
*c. A bacteria spore is a
decomposer_.
2. *a. Contrast a predator and prey.
Predator eats prey
*b. Give an example of a predator –
prey relationship.
Ex. snake eats mouse
3. Give an example of a producer –
consumer relationship.
Ex. rabbit eats grass
4. Identify each symbiotic relationship.
*a. One thing benefits while the
other is harmed. (Tick on a Dog)
parasitism
*b. One thing benefits while the
other isn’t affected. (Vultures feed
on the scrapes left by a Lion)
commensalism
*c. Both things benefit. (Sharks
are cleaned by a smaller fish)
mutualism
5. What is an animal’s role or job in
life called?
niche
SOL LS.9
1. What are the living organisms
within a specific area and their
physical environment called?
Ecosystem
2. What are the three main types of
ecosystems?
Terrestrial (land), Marine, &
freshwater
3. What are the large regions with
ecological communities adapted to the
climate and other conditions called?
biomes
4. *a. What is an abiotic factor?
Nonliving factor
*b. Give some examples of abiotic
factors.
Rocks, water, climate, temperature,
sunlight
5. *a. What is a biotic factor?
Living factor
SOL LS.10 & LS.11
*b. Give some examples of biotic
factors.
Trees, animals, cells
2. What term describes an animal
that lowers its metabolism in order to
deal with cold conditions?
6. What is the warmest biome?
desert
7. What is the coldest biome?
Tundra
8. What biome gets the most rain?
Rainforest
9. What biome gets the least rain?
desert
10. What biome do the animals need
to be able to run fast?
Grassland
11. What biome do animals and plants
need to store water?
desert
12. What biome do plants have very
large leaves?
rainforest
13. What biome is white fur an
advantage?
Tundra
14. What biome is being able to climb
or fly important?
Rainforest
15. What biome would you find trees
with needles and cones?
Coniferous forest (Taiga)
16. What biome would you find oak
and maple trees?
Deciduous forest
17. What biome are large feet an
advantage?
Tundra
18. Are there more plants or animals
in the grassland or rainforest? Why?
1. What terms describes a plant
either growing towards or away from
light?
Phototropism
Hibernation
3. What term describes a plants
ability to suspend its metabolism in
order to deal with adverse
conditions?
Dormancy
4. You’re a raccoon. What will happen
to your population in each case below?
* a. If the size of the habitat
increases?
Population increases
*b. If the size of the habitat
decreases?
Population decreases
*c. If the number of wolves
decrease?
Population increases
*d. If the number of wolves
increase?
Population decreases
*e. If the food supply decreases?
Population decreases
*f. If the food supply increase?
Population increases
Rainforest; more rain and stable
climate
*g. If the number of squirrel
(competition) increase?
19. What biome would you find corn
and wheat growing?
Grassland
*h. If the number of squirrel
(competition) decrease?
Population decreases
Population increases
5. What is the addition of excess
nutrients to an ecosystem called?
10. What are some characteristics
you inherited?
Eye color, hair color, bone structure
6. What can permanently alter a
community and ecosystem?
11. Identify some characteristics
determined by your environment.
Personality, intelligence, language
Eutrophication
Major Climate Changes and
Catastrophic Disasters
7. (True/False) Actions by humans can
have both a positive and negative
effect on the health of an ecosystem
and the population of a community.
True
SOL LS.12
1. Your individual traits are called?
genes
2. What creates DNA and contains
all of your individual traits ?
chromosomes
3. What is your complete genetic
code called?
DNA
4. What is the shape of DNA?
Double helix (spiral staircase)
5. What word describes the strong
trait?
dominant
6. What word describes the weak
trait?
recessive
7. What is the trait that actually
shows called (physical expression)?
phenotypes
8. What is the gene combination
called?
genotype
9. What is the name of the chart
that shows possible phenotypes and
genotypes?
Punnett square
12. Who is the Father of Genetics?
Gregor Mendel
13. Who discovered DNA?
Rosalind Franklin
14. Who created the double helix
model of DNA?
Watson and Crick
15. What is it called when the
genetic code is manipulated to obtain
a desired product?
Genetic Engineering
SOL LS.13
1. What are changes over time in
order to survive?
adaptations
2. What is the process where animals
select mates with traits best suited
for survival?
Natural selection
3. What are inheritable changes to
an organism’s genetic code (a change
in a gene)?
mutation
4. What term describes when a
species completely dies out?
extinction
5. What does the fossil record,
genetic information, distribution of
organisms, and similarities among
species show?
Evidence of evolution