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15 Cards in this Set

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  • Back
  • 3rd side (hint)
When a duck dives under water, its inner eyelids automatically raise to cover the duck's eyes. In this case, water acts as
a stimulus
a.homeostasis
b.a stimulus
c.a reaction
d.an enzyme
which statement does NOT correctly describe lipids? (see hint)
fats and oils are solid at room temperature
a. all living things have DNA
b.an organism obtains energy from lipids after it has used up most of its carbohydrates
c.fats and oils are solid at room temperature
d.lipids do not mix with water
which of the following are characteristics that all organisms share? (see hint)
all of the above
a.all living things have DNA
b. all living things grow and develop
c. all living things have cells
d. all of the above
a human can survive without water for only
three days
a.two days
b.three days
c,five days
d.one week
most plants are
producers
a.producers
b.consumers
c.decomposers
d.both (b) and (c)
the molecule that provides energy for cellular processes is
ATP
a.ATP
b.DNA
c.RNA
d.protein
when you eat mashed potatoes or French fries, you are eating a plant's stored
starch
a.starch
b.oil
c.fat
d.protein
fish that live in the ice-cold waters off Antarctice make a natural antifreeze that keeps them from freezing. This is the fish's way of maintaining a stable environment known as
homeostasis
a.photosynthesis
b.homeostasis
c.metabolism
d.respiration
carbohydrates are a group of compounds made of
sugars
a.amino acids
b.enzymes
c.nucleotides
d.sugars
The metabolism of an organism includes activities such as (see hint)
d. all of the above

(making food,building cells,moving materials in and out of cells)
a.making food
b.building cells
c.moving materials in and out of cells
d.all of the above
Humans obtain water
from the fluids they drink and from the food they eat

(both (a) and (b))
a.from the fluids they drink
b.from the food they eat
c.by osmosis
d.both (a) and (b)
which statement best describes how producers get the food they need to survive?
(d=either (b) or (c))

they use energy from the sun to make food from water and carbon dioxide
and/or
they obtain energy and food from the chemicals in their environment
a.they break down the nutrients in dead organisms or animal wastes
b.they use energy from the sun to make food from water and carbon dioxide
c.they obtain energy and food from the chemicals in their environment
d.either (b) or (c)
which of the following is a true statement about all living things? (see hint)
b.they have one or more cells
a.they cannot sense changes in their external environment
b.they have one or more cells
c.they do not need to use energy
d.they reproduce asexually
which of the following statements best describes the composition of air?(see hint)
c.air is a mixture of different gases
a.air is composed only of oxygen
b.air is composed only of carbon dioxide
c.air is a mixture of different gases
d.air is composed of only nitrogen
which statement does NOT correctly describe how organisms obtain their living space? (see hint)
c.all organisms require equal amounts of living space
a.organisms often compete with each other for living space
b.some organisms require larger amounts of living space than other organisms
c.all organisms require equal amounts of living space
d.organisms will try to keep other organisms away