What special adaptations do inter-tidal species have

adaptations for both air and waves

when do populations increase

when birthrates are higher then death rates

in an area with a high death rate from a disease, what would lead to population growth

a high birthrate would make up for the death rate

Choose the true statement

fast water has more oxygen and slow more nutrients

name one reason that a food web might be a better description of an ecosystem than a food chain

organisms have a choice of what to eat

what happens when a virus enters a host cell

it is sometimes active and sometimes latent

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7th Science review part 2

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part 2 of 4 for 7th science final

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Questions 25

Answers

1
besides your urinary system, what other organs in your body help in excretion
skin and lungs
skin
none of the above
lungs
2
Which of the following is not a side effect of getting too much sunlight on your skin
melatonin
dry skin
skin cancer
wrinkles
3
What special adaptations do inter-tidal species have
adaptations for both air and waves
adaptation for surviving heavy waves
adaptations to resist UV rays
adaptations for surviving exposure to air
4
when do populations increase
when death rates are higher than birthrates
when birthrates are higher then death rates
when birthrates and death rates are equal
when birthrates are smaller then death rates
5
which body system is not part of the excretory system
digestive system
respiratory system
integumentary system
circulatory system
6
in an area with a high death rate from a disease, what would lead to population growth
the death rate has no effect on the population growth
a high birthrate would make up for the death rate
a low birth rate would make up for the death rate
the birthrate has no effect on population growth
7
of the following which is a type of movable joint
all of the above
pivot
hinge
ball and socket
8
Which part of the digestion process speeds up the break down of food.
villi
carbohydrates
enzymes
peristalsis
9
what is the first species to colonize new or undisturbed land
successive species
invasive species
primary species
pioneer species
10
Which of the following is not a characteristic of members of the animal kingdom
get food externally
make their own food
have protein shaping cells
have cells specialized for digestion
11
which of the following is a biotic factor
fish
ocean
pond
lake
12
which of the following do viruses need to carry on functions
organisms
water
energy
food
13
Viruses attack and destroy which of the following
pasteurization
mutations
cells
vaccines
14
which of the following is not a part of the water cycle
nitrogen fixation
precipitation
condensation
evaporation
15
a vertebrate is defined as having a
anterior end
backbone
nervous system
brain
16
Which is a way an infectious disease can be transmitted from one person to another
all of the above
shaking hands
exchanging blood
exchanging bodily fluids
17
Choose the true statement
slower moving water contains more oxygen then fast water
fast water has more nutrients and slow more oxygen
fast has more oxygen and nutrients
fast water has more oxygen and slow more nutrients
18
the ______ is the outer thinnest layer of your skin
hair
epidermis
dermis
fatty layer
19
which is not a characteristic of fungi
reproduce by spores
grow in moist areas
decompose organic matter
make their own food
20
name one reason that a food web might be a better description of an ecosystem than a food chain
animals only have one option of what to eat
organisms have a choice of what to eat
no animals are chained
at least one animal in a web has webbed feet
21
Which of the following is not and causes of mutation
exposure to X rays
exposure to radioactive materials
exposure to neon light
exposure to ultraviolet light
22
which of these is a limiting factor
shelter
existence of a predator
food supply
all of the above
23
each of the following is a form of mutation except
insertion
deletion
substitution
replication
24
which of the following is an abiotic factor
mold
lichen
shell
amoeba
25
what happens when a virus enters a host cell
it is continuously active
it is latent and dormant for equal amounts of time
it is sometimes active and sometimes latent
it stays dormant in the cell for months

7th Science review part 2 Flashcards | StudBud