Ecology ReviewExtra credit on test!!!!

1 Pt

Consumes dead tissue or decaying organisms

What is decomposers?

1 pt

Which of these is an abiotic component of the environment? Dogs Light Cats Bacteria Classmates

2 pts

While on a walk through the forest you notice birds on trees, earthworms in the soil, and fungi on the bark of trees. Based on this you can conclude that each of these organisms occupies a different: Habitat Biome Ecosystem Biosphere Abiome

3 pts

A population of fungi in a yard produces 10 mushrooms in year 1, 20 in year, and 40 in year 3. if this trend continues, by year 5 there will be __________ mushrooms. 20 40 80 160 320

2pts

A Type I survivorship curve is the result of which of the following life-history traits?a) Parents provide extended care for their young

b) Large numbers of offspring are produced

c) Infant mortality is very much greater than adult mortality

d) Death rates are constant over the life span

e) Most individuals have short life spans

2 pts

Which one of the following organisms best illustrates K-selection?a) The production of thousands of eggs every spring by frogs

b) Three litters of 10-15 mice in the course of a summer

c) A polar bear producing one or two cubs every three years

d) A species of weed that quickly spreads into a region of cleared trees

e) All of the choices are examples of K-selection

2 pts

A community is made up of a) Different kinds of living organism’s

b) One species of organism

c) Living organisms and their nonliving environments

d) Ecosystems

e) The factors that constitute an organism’s niche

2 pts

Which of the following statements is not true?a) Small-scale disturbances or changes rarely have positive

effects

b) Storms, fire, freezing, glacial advance and retreat, and volcanic eruptions are types of disturbances

c) Primary succession occurs when a community arises in a virtually lifeless area with no soil

d) Secondary succession occurs where a disturbance has destroyed a habitat

e) The transition in between species in a community is called ecological succession

1 pt

Energy flows through an ecosystem from the sun toa) Producers, then consumers

b) primary consumers

c) consumers, then producers

d) secondary consumers

1 pt

Producers or organisms that make their own food.

What are autotrophs or producers?

2 pts

Primary consumers can be this type of heterotroph _____________ or _____________.

What are herbivores or carnivores?

1 pt

The physical area in which an organism lives.

What is a habitat?

1 pt

Omnivores, herbivores, and carnivores are all this.

What are consumers?

2 pts

Coniferous forests are found in this biome.

What is the tiaga?

1 pt

All the interacting components of an area (living and nonliving)

What is an ecosystem?

1 pt

The act of one organism feeding on another.

What is predation?