Mitosis occurs in living things when a cell divides to produce two cells. Compared to the original cell, how many chromosomes are in each of the resulting cells? Twice as many

Half as many

the same number

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

How can an organ, such as the lungs, work for multiple body systems?