The cell is the most basic unit of life.
Answer:
B. a bowling ball
Explanation:
According to Newton's law of universal gravitation every body attracts another body by an amount of a force that is directly proportional to the product of the two bodies' masses and inversely proportional to the square of the distance between them. Knowing this then, it becomes clear that the body with the biggest mass will exert the greatest gravitational pull. From this list the ball with the biggest mass will be a bowling ball.
Answer:
The earthworm's body is divided into segments. Each segment has a number of setae or very small bristles that earthworms use to help them grip the soil as they move. An earthworm moves by using two different sets of muscles. ... The earthworm uses its circular muscles to lengthen and push itself forward again.
Answer:
The bones are homologous structures
Explanation:
Homologous structures are the structure which are found similar in appearance in different organisms.
The homologous structures in different organism shows that they shared a common ancestor or they diverged from a common ancestor during course of evolution that is these homologous structures are the result of the divergent evolution.
In the given question, the bat, dolphin and the cat shows the same structure of bone which indicates that they have evolved from a common ancestor and is true as they all belong to mammals.
Thus, the bones are homologous structures is correct.
Answer:
Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
