Which statement best describes how bones are moved by skeletal muscles? a. when skeletal muscles flex, they push on bones in a joint. b. when skeletal muscles flex, they pull on bones in a joint. c. when skeletal muscles contract, they push on bones in a joint. d. when skeletal muscles contract, they pull on bones in a joint.

List two new traits (structural or behavioral) that each new species of rat might demonstrate as it adapts to the conditions on two of the four islands. choose only two islands that are described in the lesson. record the island latter and the major habitat feature of the island. then list two new traits each rat subspecies might demonstrate in order to survive the habitat on that island. note: new traits should be unique to that island and be in response to that island’s habitat feature. i cannot remember islands that were names in the lesson so only answer if you have done the lesson (5.13 life science 7b) choose 2 of the islands and describe a structural and a behavioral trait for a rat on each island so 4 total answers, 2 different structurals and 2 different behaviorals, one for each rat for each island

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?