Answer:
Due to its high intelligence.
Explanation:
Scientists think that cuttlefish have the biggest brain to body ratio of all invertebrates that allows it to sense sight, smell, and sound that comes to it in the form of pressure waves. Due to this big brain, cuttlefish are very intelligent so due to its intelligence the scientists thinks that cuttlefish has the biggest brain as compared to other big vertebrates such as octopus.
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).
Answer:
A spiraled ladder
Explanation:
DNA Is a double helix so it looks like a ladder going up in a spiral
Answer:
The gravitational pull of the moon as it orbits earth
In order to float in water, the density of an object has to be less than the density of the water. Since saltwater has a higher density than fresh water, a person will float more in the ocean than they would in a lake