Which is not true about euglena?

a. they have flagella for locomotion.
b. they are both photosynthetic and saprophytic.
c. they reproduce sexually by conjugation.
d. all of the above are true.

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

How does human environment effect the biosphere

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water