Answer:
Fish
Explanation:
Fish are vertebrates and only have a single loop-circulation system.
Since males have only x-chromosome they are more likely to express x-linked (by far the most common type of sex - linked disorders ) recessive traits. females can also not express any y-linked traits. females have a backup copy of the genes on their other x-chromosome, similar to autosomal chromosomes.
Answer:
Biophysics.
Explanation:
One of the main objectives of Biophysics is to study substances, their movement, forces, and energy in living organisms. We can see that biophysicists apply physics to investigate and solve problems concerning living things. They apply Physics in the Biology field studying, mechanisms, structures, and forces in living organisms such as mammals.
Answer:
The correct answer is option d) "head-on".
Explanation:
In hunting, the head-on angle refers to a position at which the hunter and the prey are face to face. This shot angle rarely results in a clean kill, ruins a lot of meat, and provides an animal the best opportunity to detect the hunter as the animal is in front of the hunter. At the head-on angle it is harder for the hunter to kill an animal with the first shot and ruins a lot of meat because the animal produces hormones such as adrenaline result of the stress.