Will make Brainlest or what ever PLEASE HELP The largest group of invertebrates is the arthropods, including spiders, lobsters, dragonflies, ants and ladybugs. Even though these animals seem so different, they all have which of the following common characteristics?

Question 21 options:

Three body sections, six legs, and wings

Soft body and a shell

Exoskeleton and segmented body

Tube feet and spines

Rotenone is an insecticide that is toxic

Will mark branliest. the theory of plate tectonics was developed with the contribution of scientists from many different disciplines. which of the following is a contribution from geophysicists?

Taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? view available hint(s)taq polymerase is an enzyme isolated from the organism thermophilus aquaticus. this organism has been found living in the hot springs of yellowstone national park. this enzyme is used to copy human dna from crime scenes. most reactions are performed at ranges similar to those of the human body; however, what considerations should be made for optimum use of this enzyme? the enzyme will not work on human dna.nothing should be altered.the ph should be decreased.the temperature should be raised.