Answer the followign question: How many carpels are fused to form an apple? How might the fleshy pericarp aid in seed dispersal? How many carpels are fused to form a tomato?
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Answer the followign question:
- How many carpels are fused to form an apple?
- How might the fleshy pericarp aid in seed dispersal?
- How many carpels are fused to form a tomato?
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Solved in 2 steps
- If a corn grain is actually a fruit, where is the pericarp?Answer the following question: Does the pod of mung beans and garden peas appear to be a single carpel with one cavity containing seeds? Is the micropyle near the attachment of the seed to the pod of mung beans and garden peas?In a common eudicot pattern of development for the common bean in the figure, the radicle emerges from the seed (1), then begins to develop into a primary root that grows down into the soil. As this occurs, the hypocotyl emerges from the seed and bends into the shape of a hook (2). The bent hypocotyl lengthens and pulls the cotyledons upward (3). When the hypocotyl reaches the soil surface, exposure to light causes it to straighten (4). Primary leaves emerge from between the cotyledons and begin photosynthesis. The cotyledons typically undergo a period of photosynthesis before shriveling (5). Eventually, the cotyledons fall off the lengthening stem, and the young plant’s new leaves produce all of its food. a) Identify and explain what environmental factors influence the timing and coordination of the germination of seeds.
- Answer the following questions: 1. Can you predict the type of placentation a certain fruit will have if you can see only the flower? Why or why not? 2. Drupes are also called stone fruits. Can you explain why? 3. Some commonly called "nuts" are not botanically nuts. Can you give some examples? 4. Why are some fruits also called vegetables? 5. TRUE OR FALSE: a. A peanut is a nut. b. All legumes readily split open at maturity. c. A true nut has a thick, stony pericarp. d. Animal-dispersed fruits are necessarily colorful and attractive. e. A strawberry is a berry. f. Walnuts, pili nuts and almonds are drupes. g. An apple is an accessory fruit. h. The edible part of a coconut is the seed. i. A grain and an achene are approximately the same in their make up. j. Winged fruits are dispersed by animals.What is the hilum of the seed? A micropyle? What purposes do they serve? Explain in 3 paragraphs.You want to examine the internal anatomy of seeds from Taxus and Ricinus. The plant material you obtain only consists of mature seeds - this can be challenging as mature seeds are often quite hard making it difficult to cut a longitudinal slice through the seeds from each genus. In addition to your drawings, you described (with great accuracy) what you saw as follows: A. The coyledons of the Ricinus embryo were just about visible, though often hard to distinguish, surrounded by the nutritive endosperm tissue. The seeds of Taxus were too mature to slice open but they were surrounded by the fleshy, red tissue that contains the poisonous substance taxol. B. The coyledons of the Ricinus embryo were just about visible, though often hard to distinguish, surrounded by the nutritive endosperm tissue. The seeds of Taxus were too mature to slice open but they were surrounded by the fleshy, red tissue that birds eat. C. The coyledons of the Ricinus embryo were just about…
- How and from where do cotyledons develop from for a bean seed?What is the hilum of the seed? A micropyle? What purposes do they serve?a. Does the pod of string bean appear to be a single carpel with one cavity containing seeds?b. Is the micropyle near the attachment of the seed to the pod of string bean?
- The embryo of monocotyledonous seed consists of one large, shield shaped cotyledon. What is it known as?Compare and contrast the germination of a typical monocot and eudicot seed by addressing the following:a. Explain the anatomy of a monocot and eudicot seed by naming and defining their various parts.What is the description of the stem of the banana (Musa acuminata)? Based on the given text.