Which protists have cells walls and reproduce by forming spores

11. Male American goldfinches grow yellow feathers during the mating season and will attack another goldfinch in its territory if it also has yellow feathers. What term describes the yellow feather stimulus in this example?

Explanation on distribution of world flora

A mother brings her 9-month-old infant to the clinic. the nurse is familiar with the mother's culture and knows that belly binding to prevent extrusion of the umbilicus is a common practice.

During the process of meiosis, chromosomes replicate a. once, during interphase I. b. once, during interphase II. c. twice, during prophase I and II. d. twice, during interphase I and II.

Greg says that he usually eats 1 medium carrot every day to ensure that he's consuming enough vitamin a. today he said he didn't eat any carrots and is worried that there is not enough vitamin a in his system.

Why are fungi unable to live in dry areas? A. They have filaments with small surface areas. B. They cannot trap moisture. C. They have no reproductive structures. D. They are angiosperms.

How does growing beans in a ziplock bag is faster than in a cup with soil?

If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion? 1. O+ 2. O- 3. AB+ 4. AB -

Describe how a person can count the rate if beating of the left ventricle.

All animals that swim freely in the ocean are known as ... ?