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Ch. 30 - Plant Diversity II: The Evolution of Seed Plants

Chapter 30, Problem 1

Where in an angiosperm would you find a megasporangium? a. in the style of a flower b. enclosed in the stigma of a flower c. within an ovule contained within an ovary of a flower d. packed into pollen sacs within the anthers found on a stamen

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Hi everyone. Now we'll look at the next question which of the following is found inside the ovals of seated plants. Well we're thinking about vehicles. So that would be part of the female reproductive system of a plant. And we're thinking about what is inside those ovals. So let's look at our answer choices. Choice A. Says Microsoft Iran geum. The micro spirit medium is a structure that gives rise to the pollen grains but it's part of the male reproductive system of the plant. We're looking for the in the female system. So Choice A. Is incorrect. Choice B. Is megastar and um. Well the megastar and jim is the plant structure that contains the female reproductive system inside the eyeballs. So Choice B. Is our correct answer is found inside the ovals. So let's just look at our last two choices and see why they are not the correct answer. Choice C. Is micro pile. The micro pile is the opening on the surface of the oval where the pollen tube can penetrate. So it is on the fuel but not inside the fuel. So Choice C. Is incorrect. And finally. Choice D. Michael Phil. That is a small leaf supported by a single vein so not only available at all, not inside the fuel. So Choice de definitely not our correct answer. So our correct answer is B. Megastar angie. Um Inside the appeals of seated plants, join us in the next video