Answer:
c. all of these
Explanation:
Humans are animals as they are multicellular eukaryotic organisms that are mobile, heterotrophic and can reproduce sexually.
On further classification they belong to the phylum chordates as they possess the five anatomical features present in this phylum at some point in their lives. These features are presence of notochord, endostyle, pharyngeal slits, tail and dorsal nerve chord. They also have bilateral symmetry and possess a coelom.
Humans can be further classified as vertebrates as they possess the vertebral column. It is also known as backbone or spine and is characterized by segmented bone series separated by intervertebral discs. Hence, humans are animals, chordates and vertebrates.
The question is; would a drug that binds irreversibly to these receptors be an effective contraceptive in mammals?, the answer is;Yes; because if the receptors are blocked the sperms will not be able to penetrate the zonal pellucida of the egg. Contraceptives prevents pregnancy by interfering with the normal process of ovulation, fertilization, and implantation.
Latitude is the measurement of the distance of a location on the Earth from the equator. The further away from the equator that you are the less sunlight that this location receives. ... At the Equator, the Sun's rays strike the Earth at a right angle, which makes the heat more intense and concentrated over a small area.
After mitosis, two cells are created with the same number of chromosomes, therefore, there will still be 8 chromosomes in each onion cell.
Kinetic energy is the energy of motion, even if it is slow so the answer is A.) because the baseball is not moving