TRUE. Roots have tiny root hairs that maximize the plant's ability to absorb water.
Root hairs are found in the exterior of the root called epidermis. They are long membranous extensions from epidermal cells. They increase the surface area of the root thereby maximizing its absorption of water and minerals.
Light is the energy source for plant photosynthesis, particularly sunlight.
Chlorophyll is contained in organelles called chloroplasts.
A by-product of photosynthesis is oxygen.
This is true because other organisms are lower in the food chain
Dominant refers to the relationship between 2 versions of a gene. Individuals receive 2 versions of each gene from each parent!
The endosymbiotic theory opposes that mitochondria in eukaryotic cells rose from C. Endosymbiotic prokaryotes that metabolized oxygen.
