Which of the following is an example of an animal exhibiting instinctual behavior? A. Neils dog wags it’s tail and barks excitedly whenever Neil picks up the dog leash
B. Nancy’s kitten jumps on a piece of string and grabs it with its claws when Nancy wiggles the string
C. Leo’s goldfish swims to the top of the aquarium whenever Leo shakes any small container over the surface of the water

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.