Answer:
climate is weather and it affects ecosystem development
YYgg is an example of a genotype.
because genotype is the genetic makeup and phenotype is the physical appearance
The student's observations before he starts his experiment are that his tomato plants grew faster and taller with his artificial fertilizer rather than without any fertilizer at all.
First trophic level. The plants in this image, and the algae and phytoplankton in the lake, are primary producers. They take nutrients from the soil or the water, and manufacture their own food by photosynthesis, using energy from the sun.