Answers: 2
Biology, 22.06.2019 19:50, dayanawhite64
Which statements explains what the fossil records indicates? check all that apply. a) earth is 4.5 billion years old b) many organisms have become extinct c) mammals have always existed on earth d) mass extinctions have occurred several times on earth e) the amount of water on earth has decreased over time?
Answers: 2
Biology, 22.06.2019 21:30, destinysmithds7790
Which of the following is true about the introduction of a non-native species to an environment? (a) they usually adapt quickly so they can have a positive affect on the environment. (b) they can disrupt the environment and cause much damage and devastation to native species. (c) they usually become predators in a food chain and to keep prey populations under control. (d) because the native species are better-adapted to the environment, the non-native species always end up dying out.
Answers: 1
Biology, 22.06.2019 22:30, stichgotrich7159
What happens to a food web when deforestation occurs due to urbanization? how does it effect the carbon cycle? how does this relate to photosynthesis?
Answers: 3
How does the input into the Colorado River system compare to the output of water?...
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