What is the difference between food chains and food webs?
A) Food webs show a single path of energy in an ecosystem, and food chains show all the overlapping food chains in that
ecosystem.
B) Food chains show a single path of energy in an ecosystem, and food webs show all the overlapping food chains in that
ecosystem.
C) Food webs show the path of energy in an ecosystem, and food chains show the path of nutrients in that ecosystem.
D) Food chains show the path of energy in an ecosystem, and food webs show the path of nutrients in that ecosystem.

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Give examples of selective advantage of organism’s body part/organ