The sucker of clingfishes is modified from:
a. the mouth.
b. the pectoral fins.
c. a disc on top of the head.
d. the pelvic fins.
e. the first dorsal fin.
D
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Human caused introductions can occur by which of the following? Check all that apply.
_____ plants and animals accidentally escaping from ships _____ automobile or truck tires _____ being in the soil or on a plant sold at a nursery _____ seeds or organisms attaching to clothing or shoes _____ international cargo ships releasing ballast water in the ocean before arriving at port
In order for a muscle contraction to occur, cross-bridges must form between structures within a muscle cell. These cross-bridges form between ______ and _____.
Fill in the blank(s) with correct word
They serve as the working parts of cilia and flagella
A) Cristae B) Electron transport chain C) Microtubules D) Glycolysis E) Flagella F) Plasma membrane G) Citric acid cycle H) ATP
Bears and dogs are:a
chordates. b. mammals. c. carnivores. d. chordates and mammals. e. chordates, mammals, and carnivores. What will be an ideal response?