iCEV Ecology Certification Review

A management plan is being developed for an area which has had a decrease in plant species which support an endangered animal species. The plan is to increase the amount of primary producers to allow this area to thrive without further human interaction. Which of these best describes this plan?

• Parasitism

• Mutualism

• Partnership

• Sustainability

Answer explanation

The plan is to make it so the ecosystem can maintain itself, remaining in balance without humans. This is a plan with sustainability in mind.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A glacier has moved, revealing bare rock with no soil present. Lichens begin growing on the rock. As they break the rock down, soil is made. Grass and flowering plants grow in this soil. Which species mentioned is the pioneer species?

• Soil

• Grasses

• Flowering plants

• Lichens

Answer explanation

This is an example of primary succession. In primary succession, the first species to grow is the pioneer species. In this case, lichens grew first, so they are the pioneer species. Lichen are able to grow in many places, making them a common pioneer species.

Along with grasses, grasslands have species of forbs. What is a forb?

• Broadleaf plants and lower shrub vegetation

• Invasive species which takes over grasslands

• Trees and taller shrubs which survive in grasslands

• A drought tolerant species of grass

Answer explanation

This is a picture of forbs, shrubs that grow on grasslands.

Which plant would have low nitrogen requirements?

• Wheat

• Barley

• Legumes

• Corn

Answer explanation

Legumes have the ability to fix nitrogen, meaning they would not need nitrogen available in the soil.

Birth and death rates are expressed as the number per _____ individuals per unit of time.

Answer explanation

Both birth and death rates are the number of individuals per each 1,000 individuals over a period of time.

Which family of class Aves contains woodpeckers?

• Corvidae

• Accipitridae

• Picidae

• Icteridae

Answer explanation

The family Picidae contains all species of woodpeckers

Which of the following habitat services are categorized by products harvested or extracted from the habitat, which are used and relied on every single day, such as food, water, wood, oil and gas?

• Provisional

• Cultural

• Regulating

• Supporting

Answer explanation

Provisional services provide something physical to humans

Tags

NGSS.MS-LS2-1

NGSS.MS-ESS3-1

What is shown here?

• Biological productivity

• Baseflow contribution

• Groundwater recharge

• Water cycle

Answer explanation

The illustration shows water flowing down from the surface into an aquifer. This is how our groundwater becomes recharged.

Tags

NGSS.MS-ESS2-4

What habitat would be found in the areas shown on this map?

• Tundra

• Grassland

• Deciduous forest

• Boreal forest

Answer explanation

Grasslands are found on all continents except for Antarctica. There are large areas of grassland in the western portion of the USA, in Australia, and in Africa.

Which of these are biotic factors? (Two correct answers, choose both)

• Disease

• Pollution

• Competition

• Natural disasters

Answer explanation

Competition is against another living thing. Disease is caused by bacteria which is a living thing. Biotic means living, so both of these are biotic factors.

Tags

NGSS.MS-LS2-2