Which of the following statements is true? bones protect internal organs and the body move. bones are connected to each other by tendons. the knee is an example of a fixed joint. muscles that bend a joint are extensors, and those that straighten a joint are flexors.

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.