Which is a biotic factor that affects the size of a population in a specific ecosystem? O A. Concentration of oxygen in the ecosystem O B. Number and types of predators in the ecosystem O C. Average temperature of the ecosystem O D. Type of soil in the ecosystem

Fossils and fossil fuel Which action would decrease the amount of atmospheric carbon dioxide? A B OD [10 A B waste products C Part B: Which statement BEST supports the choice from Part A? D planting more trees increasing factory emissions driving more gas-powered cars creating more farms for livestock Trees remove carbon dioxide from the atmosphere during photosynthesis Factory emissions filter out the carbon dioxide in the atmosphere Gas-powered cars remove carbon trapped deep underground Livestock remove carbon dioxide from the atmosphere during cellular respiration. C2022 Illuminate Education™ Inc

A food chain would be a better resource than a food web to answer which question? a. How does energy move from an organism in one trophic level to an organism on the next trophic level? b. How does energy move within a trophic level? c. What preys on grasses? d. How is organic matter recycled in a forest?

About how much forest land is currently lost each year globally? A. About 3 million hectares B. About 35 million hectares C. About 15 million hectares D. About 1 million hectares

Create a 4 species food chain using arrows to show the direction of energy flow.

Which ancient civilization was located at A

Compare and contrast renewable and nonrenewable resources, and then explain how some renewable resources can be considered nonrenewable resources. Use details to support your answer.

Biology questions about islands and the biota on them. How and why could groups of species on islands could be described as lacking harmony? How and why, would you consider that islands ecosystems lack resilience when compared to mainland ecosystems by having low functional redundancy?

hichstatement about snowshoe hare and lynx populations in boreal Canada is false?a.Lynx are not the only important predator of snowshoe hares.b.Lynx and hare populations both oscillate repeatedly, with a similar period.c.Snowshoe hares rarely deplete their food supply enough to affect theirpopulation biology.d.Trapping records kept by non-scientists can provide useful records ofhare population sizes.e.Field experiments imply that hare cycles depend both on the hares’ foodand their predators.

Lower birth rates and declining family size in recent years reflect what phenomenon? A. Carrying capacity B. Secondary succession C. Exponential growth  D. Demographic transition