Exam 26: Plant Ecology

Flying squirrels eat mushrooms that decompose the remains of fir trees - the dominant plants in the forest.Spotted owls eat the flying squirrels.In turn,crows eat the eggs of spotted owls.The mushrooms are

This biome includes evergreen plants with sclerophyllous leaves.Allelopathy is common and plant in this biome are adapted to frequent fires.This biome is a

Cacti have lost their leaves and developed water-storing,photosynthetic stems.Characteristics such as these that enhance the survival of an organism in its environment are known as adaptations.

Which of the following is a carbon sink?

Autotrophs cannot synthesize food and must realize their nutritional needs by eating other organisms.

Starlings are called the rats of the bird world.They live in a wide variety of environments throughout North America.This represents an example of

Theoretically,as global warming continues,photosynthesis will ______ and respiration will ______.

The first organisms to occupy a new successional site are called pioneer species.

The dominant vegetation in the boreal or taiga biome is a forest of conifers.

Tropical rain forests are carbon _______ and thus are contributing to a(n)_______ in global warming.

Habitat specifically refers to the physical setting where an organism lives.

What two physical factors are most important in determining the type of biome found in a region?

Data collected from a local forest ecosystem quantified the number of organisms from four different trophic levels: 5,50,000,150,000,and 1,000,000.The number of herbivores would most likely be 150,000.

The biosphere is the interplay between a community and the abiotic factors in the environment.

A xerophyte may have which of the following adaptations?

The progressive development of a forest community on an abandoned pasture is an example of primary succession.

410 _______

In the energy dynamics of an ecosystem,the energy is captured by consumers in the process of

Grasses,herbs,herbivores,carnivores,deep organic soils,rapid nitrogen cycling.Found in a typical grassland,collectively these represent a(n)

The bison in the North American prairie and the zebra in the savanna of Africa are examples of: