The intertidal zone is home to an abundance of aquatic organisms, like the barnacle, that can survive periods where they are not underwater. what type of tide would most likely decrease the abundance of aquatic organisms, and why? downwelling because it creates a cold environment that is not suitable for all aquatic organisms upwelling because it creates a cold environment that is not suitable for all aquatic organisms neap tide because it creates a small difference between high and low tides, so organisms are in stable environments spring tide because it creates a large difference between high and low tides, so the organisms are in extreme environments

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

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

What is the most appropriate method of gaining weight (muscle mass)