Qtr 2 Benchmark Review

Front

What is ecological succession?

Back

Ecological succession is the series of changes in an ecosystem that occur as older inhabitants die out and new organisms move in.

Front

What is old field succession?

Back

Old field succession is a type of ecological succession that occurs on abandoned farmland.

Front

What type of vegetation appears first in old field succession?

Back

Annual weeds appear first because their dormant seeds can sprout due to environmental changes.

Front

What is the role of herbivores in a food web?

Back

Herbivores are primary consumers that feed on plants and provide energy for secondary consumers (predators).

Front

How many herbivores are needed to support ten secondary predators?

Back

1,000 herbivores are needed to support ten secondary predators.

Front

What is turgor pressure in plant cells?

Back

Turgor pressure is the pressure exerted by the cell membrane against the cell wall, helping to maintain the structure of the plant cell.

Front

What organelle regulates water storage in plant cells?

Back

The central vacuole regulates water storage in plant cells.

Front

How does the central vacuole help maintain homeostasis?

Back

The central vacuole helps maintain homeostasis by regulating the transport of water into and out of plant cells.

Front

What is the significance of rainwater for plant growth?

Back

Rainwater may contain fewer chemicals than tap water, which can limit plant growth.

Front

What is the impact of chemicals in tap water on plant growth?

Back

Chemicals used to purify tap water may limit the growth of plants.