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WorksheetsScience Final review
Total questions: 53
Worksheet time: 37mins
What is the purpose of the circulatory system?
to produce white blood cells to help protect against disease
to protect major organs
to transport materials through the body
to support the body
Which system helps the body detect and respond to information from the environment?
the circulatory system
the nervous system
the respiratory system
the lymphatic system
What are the five stage of human development? (in order)
infancy, childhood, adolescence, adulthood, late adulthood
infancy, adolescence, childhood, adulthood, late adulthood
late adulthood, adulthood, adolescence, childhood, infancy
What is an omnivore
an organism that eats only plants
an organism that eats only other animals
an organism that produces its own food
an organism that eats anything
A _____________ is an organism that uses an outside energy source, such as the sun, to produce their own food.
producer
consumer
detrivore
omnivore
_________ are first level consumers that only eat plants.
carnivores
consumers
herbivores
omnivores
A chemical signal sent to the organs of the body is called a
electron
hormone
proton
neuron
a _______________ is a simple model that shows how energy flows in an ecosystem through feeding relationships
food chain
food web
nutrient model
food table
what is the part of the food that body uses to grow and survive?
nutrient
iron
vitamin
fat
What type of natural resources can be replenished as quickly as it is used up?
renewable resource
organic resource
nonrenewable resource
synthetic resource
Nonrenewable resources are replenished as quickly as they are used
True
False
The maintenance of steady internal conditions even when external conditions change
homeostasis
carbon cycle
temperature recycling
warm blooded
________ occurs when when a sperm cell and a egg cell join.
reproduction
reproductive system
fertilization
Reuse means
to use again and again
to use less of and limit waste
making new products from old products
recycle means
to use again and again
to use less of and limit waste
making new products from old products
reduce means
to use again and again
to use less of and limit waste
making new products from old products
Which system's main purpose is to eliminate waste from the body?
digestive system
respiratory system
circulatory system
excretory system
The lymphatic system produces ______
red blood cells
hormones
white blood cells
neurons
The skeletal system does NOT ....
protect major organs
provide support for the body
help the body move
store some minerals
include the the heart
The transfer of nitrogen from the atmosphere to the soil, to living organisms, and back to the atmosphere is called ....
nitrogen fixation
nitrogen cycle
oxygen cycle
carbon cycle
The continuous process by which water moves from Earth's surface to the atmosphere and back is called...
water cycle
carbon cycle
nitrogen cycle
oxygen cycle
The organic circulation of carbon from the atmosphere into organisms and back again is called
carbon dioxide cycle
water cycle
carbon cycle
nitrogen cycle
The process by which oxygen is exchanged between the earth and its atmosphere is called ...
water cycle
H2O cycle
carbon cycle
nitrogen cycle
Which term describes an interaction between two organisms that benefits both organisms?
parasitism
mutualism
commencelism
Which cycle includes the activity of bacteria on the roots of plants?
nitrogen cycle
carbon fixation
nitrogen fixation
hydro cycle
Which product of human activity contributes to global warming?
ATP
water
carbon dioxide
electricity
What is the primary source of energy in a food chain?
producers
consumers
the sun
fossil fuels
Which part of an energy pyramid contains the most number of organisms?
the middle
the bottom
the top
they all have the same
________ cannot make their own food.
consumers
producers
detrivores
_______ consumes the bodies of dead organisms and the wastes of living organisms.
consumers
detrivore
producer
mammal
a ________ is a home for organisms.
biome
biosphere
ecosystem
habitat
How many bones does the average adult human have?
512
306
206
59
a _____ is where two or more bones meet.
joint
tendon
ligament
muscle
Mechanical digestion occurs when food is physically broken down into smaller pieces.
True
False
_____ produce changes in a female's body and produces estrogen.
testes
ovaries
pistil
stamen
Chemical digestion occurs when food into small molecules through chemical reactions.
True
False
What type of muscle is the cardiac muscle.
involuntary muscle
voluntary muscle
spastic muscle
the ________ is the top layer of skin.
epidermis
dermis
fatty layer
sweat gland
________ blood cells carry oxygen.
red
white
blue
Arteries carry blood to the heart.
False
True
The respiratory system removes _____ and other waste gases from the body.
carbon dioxide
nitrogen
oxygen
What is our skull called.
mandible
cranium
cerebrum
phalanges
The lower jaw bone is called the ....
teeth sockets
spinal cord
mandible
lower jaw
The bones of the fingers and toes are ...
phalanges
carpals
tarsals
metacarpals
metatarsals
_____________ are any disease-producing agent, especially a virus, bacterium, or other microorganism.
pathogens
germs
unicellular organisms
cloning
______________ are Y-shaped proteins that latch onto antigens, invaders looking to cause harm or infection to the body.
antibodies
T-cell
B-cell
nuclei
There are more than _______ muscles in the body.
1,234
206
300
600
voluntary muscles cannot be controlled.
True
False
the _________ is the largest part of the brain, composed of the right & left hemispheres
cerebrum
spinal cord
(a random part of the brain)
