Which of the following is a hominin?
A. Chimpanzee
B. Australopithecus
C. Baboon
D. Bonobo
E. Gorilla
Answer: B
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A _________ is a circular or U-shaped ridge around the mouth, bearing either one or two rows of ciliated, hollow tentacles.
Fill in the blank(s) with the appropriate word(s).
Which male reproductive structure will carry sperm to the penis?
a. Epididymis b. Fallopian tubes c. Vas deferens d. Testis e. Seminal vesicle
What is the centriole's function in the cell?
a. It organizes the cell's contents. b. It stabilizes the nucleus in the middle of the cell. c. It is an anchoring point for the spindle apparatus during nuclear division in animalcells d. It is an anchoring point for the spindle apparatus during nuclear division in plantcells.
Companion cells are specialized cells found in which plant tissue?
A) meristematic tissue B) ground substance C) phloem D) xylem