First blank is barb fish
And the second blank is newts
93AU from the surface of the sun, or the third planet out from the surface of the sun.
The type of deafness that is present if the bone conducted sound is heard longer than the air conducted sound is CONDUCTIVE HEARING LOSS.
Conductive hearing loss refers to the situation where there is a problem conducting sound waves anywhere along the route through the outer ear to the ear drum and the tiny bones of the middle ear.
D. A struggle for existence is apparent.
If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.
Answer: A
Explanation:
Karyotypes can be used to screen for and confirm chromosomal abnormalities such as Down's syndrome, and there are several different types of abnormalities which may be detected.