Spirogyra are green algae that can reproduce sexually. Which of the following is true only of a sexually-reproducing organism such as Spirogyra?
a. The cells of parent algae have nuclei.
b. Each offspring contains chloroplasts.
C. Several offspring may be produced at once.
d. Genetic material is contributed by two parent cells.

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what

Can yall plz me on this question im having a hard time think about it

Put each tile to the correct location. categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. 1) scientific theories 2) both 3) scientific hypothesis a). a tentative statement used to guide scientific investigations b). makes predictions about future events c). can be tested many independent researches d). based on observations of natural phenomena e) . a well-established highly reliable explanation