Which algae are the most probable ancestors of land plants?

a. charophytes
b. chlorophytes
c. chrysophytes
d. gametophytes
e. phaeophytes


a

Biology & Microbiology

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A substance that resists or minimizes changes in pH when an acid or base is added to a solution is ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which of the following applications, used by farmers to control weeds, relies upon turning the soil over?

A) tilling B) mulching C) spraying herbicides D) irrigation

Biology & Microbiology

When you look at an image, it is inverted on the back of the retina and yet appears right-side-up when perceived in the brain. What part of the body is responsible for inverting the image?

Select one: a. the retina b. the rods and cones c. the optic nerve d. the brain e. the lens

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. Both viruses and prokaryotes reproduce by binary fission. 2. The shape of a virus may be determined by either its capsid or its envelope. 3. The number of species that a specific virus infects is called its host range while the types of tissues that the virus infects is called tropism.

Biology & Microbiology