20 &21 questions
A paper mill clears an area of deciduous and coniferous trees. A small pond forms on the newly cleared land as the land undergoes succession. What will be the most likely climax community on the island?
A deciduous forest
In a temperate deciduous forest biome, which of the following MOST likely represents a climax community?
A forest with oak and maple trees
What would be the likely result if a forest ecosystem receives less than average rainfall?
A smaller deer population
Human activities can affect biodiversity, but so can natural events which of the following is an example of a natural event that can decrease biodiversity
A tornado knocks down trees in a forest
Which biome is characterized by very low temperatures little precipitation and frozen subsoil
A tundra
Which event could cause primary succession to begin?
A volcanic eruption
Run-off that contains chemical fertilizers can cause which if the following?
Algal biome
A lake or pond receives runoff containing a large amount of chemical fertilizer. Which of the following may occur most immediately after runoff.
Algal bloom
A child buries an untreated wooden box. Inside the box is an aluminum soda can, a plastic army man figure, his favorite Cotten t-shirt, and his dead hamster. Thirty years later, which of the following is probably true about these buried items?
All of the items except the aluminum soda can and the plastic army man figure have degraded back into the soil
The chemistry of aquatic biomes is MOSTLY determined by which factoes
Amount of salts and oxygen dissolved in the water
How could a predator increase the population size of another species in its habitats
By killing the competitors of other species
Which of the following causes a decrease in the ozone layers?
CFCs
Which of the following contributes to global warming?
Carbon dioxide
Which of the following terms represents the largest population that an ecosystem can support?
Carrying capacity
What type of producers are found in aphotic zones
Chemosynthetic autotrophs
Which of these is a non-renewable resource?
Coal
Which of the following is an example of how humans can increase biodiversity?
Conserving natural habitats
What 3 factors determine aquatic biome
Dissolved chemicals, depth, and temperature
Which of the following is NOT an example of conservation
Draining the Everglades to use for residential housing
A community can undergo a series of predictable changers over time. What are these changes called
Ecological succession
Which adaptation would be most likely for a medium-sized herbivore that lives in a savanna
Forms large herds
Which of the following is NOT a characteristic of coral reefs
Found in freshwater
Which of the following is NOT used to classify aquatic biomes
Global position of water
Which of the following animals would you NOT expect to find in a prairie grassland located in the Midwestern United States
Grizzly bear
Which of the following currently has the most impact on environmental change on estht
Human activites
Which adaptation would you expect to find in a predator that hunts large herbivores in a grassland biome
Hunting in packs
Which of the following is NOT a consequence of clearing rainforests
Increase in global atmospheric oxygen
Which of the following is Most often cited for global warming
Increased levels of carbon dioxide
A lake community notices a decrease in water clarity. Which of the following is the MOST likely cause?
Increased sedimentation due to additional home construction around the lake
Which of the following is NOT a goal of conservation
Introducing non-native species into new environments
Why was DDT found to be hazardous over longer periods of time?
It built up in consumers instead of decomposing
A forest fire sweeps through a grassland community. Most vegetations is burned in the fire, and the animals that live in the grassland are either driven out or killed in the fire. What will happen to the land affected by the fire.
It will undergo secondary succession.
Which of the followind does NOT describe a tundra biome?
Large diversity of plants
Which animal adaptation would you expect to find in a desert bioke
Large ears
On a newly formed volcanic island, which of the following will be the MOST likely pioneer species?
Lichens
Which of the following animals might be found in both a grassland biome and a temperate forest biome
Mice
A prairie grassland had plants with which of the following common adaptations
Narrow leaves and deep roots
Which of the following is NOT a characteristic of organisms living in intertidal zones
Need a continual supply of freshwater
Why are trees not usually found in a grassland biome
Not enough precipitation fslls
Many garden plants need consistent moisture, proper soil nutrients, direct sunlight, and the presence of pollinators, such as bees, in order to successful grow and produce. Which of the following is a biotic factor that affects plant growth?
Number of bees to pollinate
Which of the following is an example of a destiny dependent factor that would impact a population of deer
Number of edible leaves
Which of the following would probably NOT be found in an estuary
Oak tree
Which element makes up ozone?
Oxygen
A volcano under the ocean erupts and forms a small island. Which of the following will occur on the island?
Primary succession
If nitrogen-fixing bacteria populations in the soil and on the roots of plants decreased, which part of the ecosystem would be affected first?
Producers
Which of the following is an example of how human activities have increased biodiversity
Protecting natural habitats
Which of the following animals would LEAST likely live in the tundra?
Rattlesnake
How are primary and secondary succession different?
Secondary succession starts on soil but primary succession starts on newly exposed surfaces
Which plant adaptation would you expect to find in both the desert and the tundra biomes
Small leaves
Ponds and lakes represent what type of biome
Standing-water
Which of the following is an example of how human efforts have decreased biodiversity
Strip mining to obtain valuable natural resources from underneath the earths surface
An area of northwestern Russia contains forests of pine trees. The area has severe winters and a short growing season. It receives around 50 cm of precipitation per year. This area of Russia would be in which biome?
Taiga
Which biome is described by cool summers, cold winters, plentiful precipitation and a variety of plants
Taiga
Cold winter temperatures cause plants to shed their leaves in which biome
Temperate forest
Organisms that live in the flowing water would Not have which of these adaptations
Tentacles
PCB, a toxic chemical is dumped into a lake. The chemical accumulates in the fat of animals exposed to it. Which of the following organisms will be most severely affected?
Tertiary consumers
Minnows eat algae and other small organisms. Which of the following is an abiotic factor that might limit the number of minnows that can survive in a pond?
The amount of dissolved oxygen in the pond
What is the most likely outcome if a population grows larger than the carrying capacity
The death rate will increase
If a new species is introduced into an ecosystem and it has no predators, which of the following is MOST likely to occur?
The new species will overpopulate.
Which of these would be the most probable effect of increased use of CFCs?
The ozone holes will grow
If the frog population decreased, why might the fish population also decrease
The water snakes would eat more fish
Which animal adaptation would you expect to find in a tundra biome
Thick fur
Prairie wild flowers are usually very colorful. What is the most likely purpose if this adaptation
To attract pollinating insects
Prairie dogs burrow underground. What is the most likely purpose of this adaptive behavior
To hide from predators
In which biome would you most expect to find carnivorous plants?
Tropical rain forest
Singapore is an island country in Asia that receives an average of 230 cm of rain per year, and it has a fairly constant year round high temperature of 31C Singapore is in which type of biome
Tropical rainforest
Which terrestrial biome had the most biodiversity
Tropical rainforest
Which 2 biomes have the LEAST amount of precipitation?
Tundra and desert
A construction company buries its trash in an area outside a construction site. Which of the following is MOST likely to decompose quickly
Wood