1. There are about types of cells in human bodies. Question options: A.50 B.100 C.150 D.200
2.What is one key difference between mitosis and meiosis during the prophase 1 stage?
Question options: A. crossing over B. nuclear envelope breaks apart
C. spindle fibers start to form D. DNA coils

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 of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm