Biology activity, aimed at second-year high school students, with questions developed about the protection mechanism.
You can download this Biology activity in an editable Word template, ready to print in PDF as well as the completed activity.
Download this biology exercise from:
1) Check the correct statement
a) The shells of arthropods have only a support function
b) The absence of a skeleton facilitates movement
c) The limestone plates of the echinoderms constitute an exoskeleton
d) Chitin, which coats arthropods, is impermeable to water
e) Aquatic invertebrates must have a water-impermeable coating epithelium
2) Check the wrong statement
a) The smooth muscle tissue is of slow contraction and, in general, involuntary
3) About the contraction of striated muscle fibers, it is correct to state that:
a) Actin filaments change their length, shortening
b) Actin filaments do not change their length, maintaining uniform size
c) Myosin filaments change their length, shortening
d) Myosin filaments do not change their length, maintaining uniform size
e) Actin filaments glide between myosin filaments
4) What is meant by keratinization?
5) How do animals move?
Per Camila Farias.
At answers are in the header link.report this ad