Afundamental concept of ecology is that living
organisms
(1) are independent and do not interact with
each other or with the physical environment
(2) do not interact with other living organisms, but
do interact with the physical environment
(3) interact with each other, but do not interact
with the physical environment
(4) interact with other living organisms and
interact with the physical environment

Draw the structure of dna nucleotide with adenine as nitrogenous base

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

What type of pollution does household garbage cause