Use the information you have learned thus far to explain how a child gets one copy of each gene from his/her mother and another copy of each gene from his/her father. Genes are a section of DNA on a chromosome and are how organisms inherit traits. A complete answer will include the following terms: haploid, gametes, gene, pair of homologous chromosomes, meiosis, egg, sperm, fertilizes or fertilization, zygote, diploid.

the reason the two sea urchins don't compete with each other for food, resources, etc. is because the urchins have adapted to the environment but they have also adapted to each other. this is most likely because the genes of the sea urchins.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

a time line cause it goes from 685 to 978

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.