What is the morphological differences between an ovum and a sperm?

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits