How do systems in organisms prove that organisms are related?

When the ball is kicked in the air why does it have potential energy

Observations of two different cell types indicate a couple of differences in their mitochondria. Cell type 1 has 2-3 times the mitochondria of Cell Type 2.

All chordates live in the ocean. True or false

Which of these is a supporting service a service on which ecosystems depend

1. Which structure (s) in primates enables them to develop complex social systems? A. a well-developed cerebrum B. a long tail C. thumbs and big toes D. a skeleton designed for climbing

Which of the following would be considered a benefit of overpopulation A the increase in genetic variation of a population B the exponential growth of a population C the exchange of genetic material between populations D the change in an ecosystem

Which degree of contusion is characterized by superficial and some deep tissue damage, mild to moderate weakness with no muscle spasm, moderate loss of function, ecchymosis and swelling, and decreased ROM?

How many chromosomes do humans have?

Pairing of homologous chromosomes in prophase of meiosis I appears to be critical for proper alignment, crossing over, and subsequent separation. This pairing is facilitated by the sharing of sequence homology between homologous chromosomes.

What does "leeward" mean?