Ch 8, Les 4-6, 7th Grade Question Preview (ID: 61324)


Animal Life Processes. TEACHERS: click here for quick copy question ID numbers.

Animals that eat only plant material
a) herbivores
b) carnivores
c) omnivores
d)

Filter feeders...
a) strain food from the water
b) eat only plants
c) eat only meat
d)

Complex organisms have digestive systems that consist of
a) a tube twith two openings
b) one opening for both food and waste
c) digestion in cells
d)

Because cells tend to use oxygen in cellular respiration, oxygen diffuses ___ cells.
a) into
b) out of
c)
d)

Saclike structures that are made up of a thin layer of cells where gases are exchanged between air and blood
a) lungs
b) gills
c) skin
d) hearts

All animals that live in water have gills.
a) false
b) true
c)
d)

Which is NOT a way that animals on land get oxygen?
a) gills
b) through their skin
c) book lungs
d) tracheal tubes

All vertebrates have a ___ circulatory system in which blood always stays in the vessels and heart.
a) closed
b) open
c) voluntary
d) involuntary

In sexual reproduction,
a) offspring have a combination of characteristics from both parents
b) are genetic copies of the parent
c)
d)

A disadvantage of asexual reproduction is that
a) there is no genetic variation in the offspring.
b) it takes a long time to find a mate
c) offspring take longer to develop
d) all of the above

A sponge
a) can produce both sperm and egg
b) is either male or female
c) only reproduces asexually
d) all of the above

Some animals that use internal fertilization
a) both
b) can only lay eggs
c) only gives birth
d)

In animals that retain their eggs,
a) the egg doesn't get any nutrients from the parent
b) the egg gets all its nutrients from the parent
c)
d)

Which is true about placental mammals?
a) the blood of the embryo and the mother don't mix
b) everything the baby needs is provided by the yolk
c) placental mammals are born completely independent and don't need the mother
d) all of the above

Which is NOT a stage in complete metamorphosis?
a) nymph
b) egg
c) larva
d) pupa

A frog larva is called a
a) tadpole
b) pupa
c) nymph
d) squiggle

Which is true about birds?
a) both
b) some birds can move around and find food right after they hatch
c) some birds rely on their parents for food and protection
d)

Which of the following organisms lays amniotic eggs?
a) turtle
b) fish
c) insect
d) rabbit

The process in which an animal's cells use oxygen and digested food molecules to release energy in food is
a) cellular respiration
b) breathing
c) diffusion
d) gas exchange

If an animal has only flat teeth, it probably eats
a) plants
b) meat
c) meat and plants
d) water

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