Seeds are one way that plants reproduce. a. What are the reproductive advantages of using seeds to reproduce
b. What are the 2 major divisions of seed plants, and how do plants in each of these divisions reproduce

Astudent wants to compare the amounts of co2 given off by yeast provided with different amounts of sugar. the student places a balloon over each container to catch the released co2. which observation is a qualitative observation the student can make?

Excess nitrogen can lead to a algal blooms and the death of fish. which characteristic of nitrogen causes this problem?

Adaptive radiations can be a direct consequence of four of the following five factors. select the exception. a) vacant ecological niches b) genetic drift c) colonization of an isolated region that contains suitable habitat and few competitor species d) evolutionary innovation e) an adaptive radiation in a group of organisms (such as plants) that