<span>False. A condition in which gametes are the same size and shape is isogamy. </span>
When animals are fighting over resources the number of one animal might decrease because the other animal would've tried to kill it and stay alive
when there is competition the population size of one animal might decrease while another increases<span />
<span>Hydrogenous sediments originate from elements in seawater. </span><span>Hydrogenous sediments are formed by precipitation of minerals from the ocean’s water or can be formed as a new mineral as a result of chemical reactions between the water of the ocean and sediments that already exist on the ocean floor. </span>