Water
Food Web
Pollutants
Population Ecology
Variables
100
Plants cannot live in certain zones of the ocean due to: a) temperature changes b) too many predators c) very little sunlight d) high levels of oxygens
c) very little sunlight
100
A rabbit's burrow is an example of its: a) community b) ecosystem c) food chain d) habitat
d) habitat
100
_____ cause the most pollution on Earth today. a) Bacteria b) Volcanoes c) Forest Fires d) Humans
d) Humans
100
A group of deer living in one given area are called a(n): a) population b) community c) habitat d) ecosystem
a) population
100
In the ocean, when you move closer to shore: a) pressure decreases and light increases b) pressure increases and light increases c) temperature and light decrease d) temperature decreases and pressure increases
a) pressure decreases and light increases
200
Most of Earth's water available to living things is found in: a) the oceans b) the poles c) underground sources d) lakes and ponds
a) the oceans
200
As a hiker climbs up a mountain, the amount of oxygen: a) goes down b) goes up c) stays the same d) none of the above
a) goes down
200
Where on the food pyramid would you find organisms with the highest levels of toxins or poisons in their bodies? a) producers b) herbivores c) primary carnivores d) secondary carnivores
d) secondary carnivores
200
Decayed plants and animal parts, combined with small amounts of rock particles is: a) an old habitat b) unusable by animals c) soil d) a community
c) soil
200
Variables that may affect life are: a) temperature and oxygen levels b) the amount of rain, sleet, or snow c) the amount of sunlight d) All of the above
d) All of the above
300
The amount of freshwater found in rivers, streams, lakes and ponds is about: a) less than one percent b) 5% c) 25% d) 70%
a) less than one percent
300
Plants are called ______ because they store energy obtained from sunlight. a) herbivores b) carnivores c) producers d) consumers
c) producers
300
Herbivores are likely to have ____ toxins in their bodies than carnivores. a) more b) less c) the same d) herbivores do not store toxins
b) less
300
The change in a population overt time is referred to as: a) population increase b) growth rate c) increasing rate d) growth mapping
b) growth rate
300
_____ are used as fertilizers and are important nutrients for living things. a) acids and bases b) nitrates and phosphates c) sunlight and oxygen d) dissolved oxygen and soil
b) nitrates and phosphates
400
What factor can lower the amount of dissolved oxygen in water? a) cooling of water b) warming of water c) sunlight d) decrease in a fish population
b) warming of water
400
When herbivores and carnivores eat, only a small amount of the food becomes part of their bodies, while some is: a) lost as waster or used for movement b) lost as heat energy c) passed on to others in a population d) none of the above
b) lost as heat energy
400
According to the pH scale, acid rain caused by pollution would most likely have a pH of: a) 1-3 b) 4-5 c) 6-8 d) 12-14
b) 4-5
400
Most interactions between animals in a community are: a) predator and prey relationships b) symbiosis c) new species introduction being introduced by humans d) population movements.
a) predator and prey relationships
400
_____ gives the energy for living things to grow and survive. a) the food chain b) sunlight c) oxygen d) soil
b) sunlight
500
A warm standing body of water has ____ oxygen than a cool moving stream. a) less b) more c) about the same d) depends on the water's pH
a) less
500
Which of the following will impact plants and animals in a food web the MOST: a) temperature changes b) sudden or unnatural changes in the size of a population c) daily weather changes d) animals dying at a natural rate
b) sudden or unnatural changes in the size of a population
500
Because toxins like mercury are stored in _____, they are not passed out of the body. a) body fluids b) water c) fatty tissue d) wastes
c) fatty tissue
500
Barnacles can be found attached to the shell of a scallop. The barnacle gains a place to live and the scallop is not harmed by the barnacles. This type of relationship is called: a) commensalism b) parasitism c) mutualism d) herbivory
a) commensalism
500
Variables that affect the growth of an animal population include the following EXCEPT: a) the amount of food b) the amount of space c) new species being introduced d) getting sunlight to make food
d) getting sunlight to make food
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