Whales originated from a terrestrial ancestor
a. true
b. false
Answer: a. true
Biology & Microbiology
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. What skeletal features differentiate modern humans from apes, and what common purpose do all these differences
serve? What will be an ideal response?
Biology & Microbiology
What cells are also called CD4 cells?
A) B cells B) suppressor T cells C) cytotoxic T cells D) plasma cells E) helper T cells
Biology & Microbiology
The ________ is the selective barrier of a root that determines which substances pass between the cortex and vascular tissue
A) epidermis B) endodermis C) cuticle D) xylem
Biology & Microbiology
Which of the following is not a function of the excretory system?
What will be an ideal response?
Biology & Microbiology