The habitat with the greatest sustainability will be the one that -

has the greatest overall biodiversity.

Which of the following describes a producer/consumer relationship in a marine environment?

Green plants in the ocean are food for many fish.

When species A and B are both present B wins the competition for zone III. Removing B would

result in Species A taking over all zones

Which of the following represents a predator/prey relationship illustrated by the food web?

The hawk obtains energy by eating the snake.

Which of the following best summarizes the effect of saltwater on these plant species?

Sp 2 can sprout in higher salt concentration than Sp 1

Sewers drain to the oceans. Which human activities most negatively affect the oceans?

Spraying lawns with chemicals to kill weeds and insects.

If the process of photosynthesis in an aquatic environment is negatively affected ...

aquatic plants would decrease in number

Which of the following best describes a parasite/host relationship in the marine ecosystem?

Lice attach to whales and cause skin damage

Which of the following describes a predator/prey relationship in a freshwater environment?

Dragonflies capture and eat mosquito larvae in a river.

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Organisms and Environment

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Review of Unit 1

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Questions 15

Answers

1
The habitat with the greatest sustainability will be the one that -
receives the highest annual rainfall.
has few top-level predators.
maintains a moderate climate year-round.
has the greatest overall biodiversity.
2
Rainforest plants able to grow attached to the tallest trees allow them to best compete for?
Nutrients
Air
Water
Sunlight
3
Which of the following describes a producer/consumer relationship in a marine environment?
Sea otters catch and eat clams and oysters.
Green plants in the ocean are food for many fish.
Plants compete for space and sunlight in a garden.
Turtles depend on ocean currents to travel.
4
Increasing which will result in an increase in competition of a species in the same habitat?
Food supply
Rate of disease
Size of the habitat
Population density
5
The greatest competition would most likely occur, if which organisms were to decrease?
Mice and pangolins
Grasshoppers and impalas
Red oat grass and warthogs
Mongoose and lions
6
When species A and B are both present B wins the competition for zone III. Removing B would
result in Species A present in zones I and II only
result in species A in zone III only
result in species A becoming extinct
result in Species A taking over all zones
7
Which substances needed for human life is produced by ocean organisms that photosynthesize?
Nitrogen
Carbon dioxide
Oxygen
Helium
8
Which of the following represents a predator/prey relationship illustrated by the food web?
The hawk obtains energy by eating the snake.
The grass obtains energy from the Sun.
The deer obtains energy by eating leaves from trees.
The rabbit obtains energy by eating the grass.
9
Which of the following best summarizes the effect of saltwater on these plant species?
Sp 2 can sprout in higher salt concentration than Sp 1
Both species need salt in their water
Species 2 is not affected by the salt concentration
Species 1 can sprout only in freshwater
10
Sewers drain to the oceans. Which human activities most negatively affect the oceans?
Pouring salt on streets and sidewalks when it snows.
Spraying lawns with chemicals to kill weeds and insects.
Collecting and storing rainwater before it reaches drains.
Sweeping dead leaves into the gutters along streets.
11
Which contributes to creating competition in a group of similar organisms?
Large habitat area
High population density
Abundant food resources
Consistent annual rainfall
12
Which organisms in the food web compete for the same food source in this environment?
Grasshoppers and snakes
Decomposers and grasses
Frogs and snakes
Hawks and frogs
13
If the process of photosynthesis in an aquatic environment is negatively affected ...
aquatic plants would decrease in number
organisms that feed on the aquatic plants would grow larger
aquatic plants will increase in number
aquatic plants will increase in size
14
Which of the following best describes a parasite/host relationship in the marine ecosystem?
Lice attach to whales and cause skin damage
Fish consume zooplankton for food energy.
Phytoplankton produce their own food energy.
Seagulls swoop down and catch a fish to eat.
15
Which of the following describes a predator/prey relationship in a freshwater environment?
Male fish in a pond fight each other for females.
Dragonflies capture and eat mosquito larvae in a river.
Algae in a lake makes its own food from sunlight.
Sharks consume smaller fish they catch in the ocean.

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