Interactions between organisms that influence their survival, development and reproduction are called: physical conditions

abiotic factors

inorganic compounds

biotic factors

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate

Anybody know this. a haplontic cycle animal initially reproduces by: mitosis binary fission isogamous fertilization meiosis