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WorksheetsRREVISION L1&L2
Total questions: 42
Worksheet time: 34mins
…………………………………….. are holes on the surface of a plant leaf through which
gases pass.
Spiracles
craters
Stomata
…………………………………… is a hard skeleton on the outside of the body.
exoskeleton
skeleton
Diaphragm
……………………………………… air holes on the skin of an insect’s body.
Stomata
Spiracles
Craters
………………………………….. is the process which living things can make other living things similar to themselves.
Photosynthesis
Reproduction
Respiration
Some plants have a circulatory system. These plants are called ………………………………
vascular plants
non vasculars
mosses and ferns
An exoskeleton’s only purpose is to support the body.
True
False
Plants can have a circulatory system.
True
False
How are the structures of the plants shown in the diagram similar to arteries in humans?
They both exchange gases with the external environment
They both allow the organism to reproduce at certain times
They both break down food materials for energy
They both transport materials around the body
Plants have stems that function to provide support. This organ in plants is most similar to which of the following in humans?
the intestines
the heart
the skin
the skeleton
What do insects use to get oxygen?
lungs
spiraclkes
gills
stomata
A(n) ,,,,,,,,,,,,,,,,,,,,,,,,,,,, is a hard skeleton on the outside of some animals that gives structure and protection ?
(a)
An individual animal may respond to a sudden storm by ......................
developing waterproof feathers.
building a nest.
hiding under a tree.
developing fins.
What is the advantage of seeds that can be spread over a wide area?
They are more
likely to start growing.
They may have less competition for resources.
They are more likely to develop useful mutations.
They may have more competition.
What is a change in a gene called?
(a)
.Which of the following statements is true about succession?
It follows change.
It results in unstable communities.
It requires constant conditions.
It is unpredictable.
Which of the following is an example of a structural adaptation of animal shown below?
It builds burrows .
It lives alone.
It hunts at night.
It has spines .
The process in which sperm cell combines with egg cell to make fertilized egg.
(a)
Animals and plants need to exchange gases with there environment to live.
True
False
Fish take in air through structures called spiracles.
True
False
(a) are microscopic holes locates on the leaves of the plant.
Tissues in vascular plants are similar to blood vessels.
True
False
What does the letter A refer to ?
(a)
What does the letter B refer to ?
(a)
What does the letter C refer to ?
(a)
Plants have (a) that stretch towards sunlight and can hold the weight of leaves and fruits.
Lungs and spiracles are only the two ways animals can get oxygen.
True
False
Lungs , spiracles and (a) are the three ways animals can get oxygen.
(a) allows oxygen to go directly to body tissue.
………………………………… a characteristic that allows an organism to survive better in its environment.
Adaptation
Succession
Reproduction
…………………………………… a random change in a gene.
Circulation
Respiration
Mutation
……………………………………… the predictable order of changes in communities after a change occurs.
Mutation
Succession
Structural adaptation
Over many generations, small mutations can add up to surprising adaptations, such as strong roots or bright flowers. This process is called …………………………………………..
structural adaptation
succession
natural selection
The floating husk, or outer covering, is a ………………………………………………….. that is helpful when a plant has seeds that are dispersed by water.
mutation
structural adaptation
natural selection
If a mutation helps a plant survive in its environment, that plant will have no chance to live and reproduce.
True
False
In most cases, succession occurs in stages. If conditions are right.
True
False
Adaptation happen quickly.
True
False
(a) are instructions that determine how the plants grow.
It is a characteristic that increases an organism's ability to survive and reproduce in its environment.
(a)
In coconut seed has light husk , this type of husk might allow the coconut to travel farther in the ocean than a more dense husk.
True
False
Some plants have brightly colored flowers to attract bees, birds, and butterflies.
True
False
.
Which feature of a rose helps it grow without being eaten by animals?
flowers with bright colors
deep roots
small seeds
sharp spines
An adaptation that helps a cactus live in the desert is its
wide, flat leaves to catch water
tall stems
thin, spiny needles
bright green color
