Unlike bryophytes, ferns
a. have vascular tissue.
b. exhibit alternation of generations.
c. utilize photosynthesis.
d. have to get water from the environment.

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Which statements best describe monsoons? check all that apply. they force cool, moist air from oceans to rise. they are winds that blow in the opposite direction of a normal wind. they bring rain in the summer and drought in the winter they increase rainfall in south asia, africa, and australia. they influence precipitation as wind moves near a mountain.