If you are asking to tell the difference between taste cells and olfactory receptors, taste cells are obviously for tasting substances and olfactory receptors are used for smelling.
Answer:
b. ecosystems in a region, species in an ecosystem, and genes and alleles in a species.
Explanation:
Biodiversity has three levels - ecosystem, species and genetic diversity. Therefore, Biodiversity can be defined as the variability among living organisms involving terrestrial, marine, and other aquatic ecosystems, genes and alleles in a species and their ecological complexes such as diversity within species, and between species of the ecosystems.
<span>Mutations in small ribosomal subunit biogenesis proteins that cause disease</span>
Motor neuron disease includes loss of motor neurons in the anterior horns of the spinal cord and motor nuclei of the lower brain stem.
Answer:
approximately 4.5 billion years ago
Explanation:
