Which of these is a disturbance that would trigger primary succession?(1 point) Responses livestock grazing livestock grazing road construction road construction glacial retreat glacial retreat wildfire

Question

Which types of plants are most likely to grow first after an area has been cleared for road construction?(1 point) Responses shrubs shrubs hardwood trees hardwood trees lichen lichen grasses grasses
Only rocks are left once a glacier retreats. What types of plants are likely to arrive in the area first?(1 point) Responses flowering plants and small trees flowering plants and small trees evergreen trees and deciduous trees evergreen trees and deciduous trees lichens and mosses lichens and mosses grasses and shrubsA student drew a food web. One path includes plants, a mouse, a rabbit, and an owl. Which population of organisms has the most energy?(1 point) Responses grass grass owl owl mouse mouse rabbitsQuestion Which of these models most clearly explains that producers in a food web have more energy than consumers?(1 point) Responses energy pyramid energy pyramid food chain food chain concept web concept web food web

Answer 1

1. The disturbance that would trigger primary succession is glacial retreat.

2. The types of plants most likely to grow first after an area has been cleared for road construction are grasses.

3. Once a glacier retreats and only rocks are left, the types of plants likely to arrive in the area first are lichens and mosses.

4. In the food web path including plants, a mouse, a rabbit, and an owl, the population of organisms that has the most energy is grass.

5. The model that most clearly explains that producers in a food web have more energy than consumers is the energy pyramid.