According to theories of how life began, how did early organic molecules begin to separate from the outside world? Specialized enzymes were required
Chains of amino acids created a barrier
Formation of microspheres or vesicles
RNA catalyzed the formation of membranes

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Amale bird-of-paradise uses a dance to attract mates in which it flaps its tail feathers on the ground and jumps around a potential female mate. a different male bird-of-paradise does a similar dance but it jumps around the female in the opposite direction. the female bird is only attracted to one style of dance, in one direction. this is an example of speciation.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?