A researcher has developed two stains for use with seed plants. One stains sporophyte tissue and products blue; the other stains gametophyte tissue and products red. If the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur?

In the desert, saguaro cacti, owls, horned lizards, and fire ants all share the same space. which of the following can be considered a population? question 9 options: all plants in the same area all cacti in the same area all species in the same area the lizards and the ants

Cells a and b are the same size and shape, but cell a is metabolically quiet and cell b is actively consuming oxygen. oxygen will diffuse more quickly into cell because . b the oxygen molecules inside cell b have a higher kinetic energy b. a its membrane transport proteins will not be saturated c. a the diffusion gradient there is shallowerd. b the diffusion gradient there is steeper

What is the difference between topsoil and clay?