Which example best demonstrates biodiversity. 1. cook forest state park is home to more than 50 tree species 2. a common pennsylvania fish called the walleye will swim miles upstream to spawn. 3. the males of many bird species are brightly colored, while the females of the same species are dull or drab in color. 4. there are more than 25 endangered or threatened species in pennsylvania

The us council on environmental quality, the world wildlife fund of the united states, the ecological society of america, the smithsonian institution, and the international union for the conservation of nature have proposed four principles of wildlife conservation. which of the following does not apply to wildlife conservation? a) continuous monitoring, analysis, and assessment b) ecosystem maintenance that includes wildlife c) a plan encompassing entire communities of organisms and all renewable resources d) a continued interest in harvesting populations for sport

What is a population? a. all the members of the same species living in the same ecosystem at the same time b. the number of a species living in the same ecosystem over a period of time c. the total number of organisms living in an ecosystem at a point in time d. all the members of a food web in the same ecosystem

What did nikola tesla invent that influence our way of living?