What is a cladogram?

a. A diagram of radioactivity
b. A diagram showing lines of descent
c. A demonstration of genetic variability
d. A geographical distribution of organisms
e. A similar structure found in different organisms


b

Biology & Microbiology

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The defining characteristic of a stem cell is

A) self-repair. B) self-renewal. C) the ability to turn into a cancer cell. D) its origin from a progenitor cell.

Biology & Microbiology

The part of the male reproductive system where sperm mature is known as the ____

a. epididymis b. bulbourethral gland c. testis d. seminal vesicle e. ejaculatory duct

Biology & Microbiology

In a neuron maintaining a resting potential, K+ is encouraged to move out the neuron by favorable _________ gradient.

A. concentration B. electrical C. concentration and electrical

Biology & Microbiology

Cartilage tears

What will be an ideal response?

Biology & Microbiology