In 1665 what structures did robert hooke observe through a microscope? dnaorganellescell wallsproteins

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.

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy