The walls of veins tend to be thicker and more elastic than those of comparably sized arteries.
Answer the following statement true (T) or false (F)
False
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The organ system that is responsible for the physical and chemical breakdown of food and for the absorption, processing, and release of digestive products.
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
For each tissue type below, choose the type of organism that it is found in: a. animal b. plant
________ connective tissue ________ vascular tissue ________ dermal tissue ________ epithelial tissue ________ ground tissue _______ muscle tissue ________ nervous tissue What will be an ideal response?
Which of the following is NOT correct regarding the purple photosynthetic bacteria photosynthetic apparatus?
A. Possesses bacteriochlorophylls a or b B. Performs anoxygenic photosynthesis C. Has intracytoplasmic membranes (ICMs) to provide space for photosynthetic units (PSUs) D. Apparatus is continuous with the plasma membrane E. Apparatus is straight to decrease surface area and contain reactions
If two animals are living together and the death of one results in the death of the other, the two animals were
A. competitors. B. vectors. C. mutualistic. D. predators.