I'LL GIVE BRAINLIEST! Scientists and policy makers often have to work together to set catch limits on fisheries. Imagine that a policy maker proposes to allow the fishing of a cer­tain species to go on at current rates because, she says, “Fishing at current rates will not impact the ecosystem. We are removing fish at a rate lower than the birth rate of their population.” Is this claim valid? What indicators would you look at to support or disprove this claim? Explain your reasoning.

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

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

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required