Answer: PTC gene has two main alleles; one that codes for tasting and the other non-tasting. The allele for tasting determines a trait of tongue papillae that can bind the PTC molecules. Non-tasting allele forms papillae that are unable to bind PTC effectively. Therefore, the combination of these alleles in the genotype of a person determines their phenotype – PTC sensitivity.
A simplified food web illustrating a three-trophic food chain (producers-herbivores-carnivores) linked to decomposers. The movement of mineral nutrients through the food chain, into the mineral nutrient pool, and back into the trophic system illustrates ecological recycling.
Answer:
b
Explanation:
its the closest out of all the choices
its actually
pico
nano
micro
meso
Answer:
C. depth C
Explanation:
From the chart you can teel that the most dense, coolest and saltiest waters can be found at the deepest levels of depth, in this case the deepest from the options would be located at less than 3,000 meters and it would be point C. As we know as we go depeer into the water of the ocean pressure increases and with that density of the water also increases, under normal circumstances the sunlight and sun heat is the only thing that is able to heat up the water of the ocean, so the deeper you go, the less sunlight and less sun heat is available so the waters become cooler.
Answer:
In anatomy, the notochord is a flexible rod formed of a material similar to cartilage. If a species has a notochord at any stage of its life cycle, it is, by definition, a chordate. The notochord lies along the anteroposterior ("front to back") axis, is usually closer to the dorsal than the ventral surface of the animal, and is composed of cells derived from the mesoderm.
