Question 7 (1 point)
Which description shows competition in an environment?

an organism that finds a place to sleep
an organism that feeds on some food
three organisms of the same species living in an area
three organisms battling over limited resources

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is

Which type of neuron stimulates muscles to contract?