If a plant produces microspores and megaspores, then by definition it is homosporous
____________________ Indicate whether the statement is true or false.
F, heterosporous
You might also like to view...
If you rub the scaled skin of a shark, it feels rough if you move your hand from tail to head but smooth if you move from head to tail. What is a major advantage of the scales being oriented this way?
A. to keep the shark afloat in the water B. to counteract friction as the shark swims through the water C. to better protect the shark from predators D. to better prevent water loss from the body tissues E. to enable the shark to orient itself in space and detect prey Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about the role of friction in movement? What other information is related to the question? Choose Answer · Given what you now know, what information is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Changes in chromosome number are usually the result of
a. genetic displacement. b. trisomy. c. crossing over. d. nondisjunction. e. disjunction.
Matching. Choose the most appropriate response
1. ___ eudicots 2. ___ conifers 3. ___ club mosses 4. ___ cycads 5. ___ ferns 6. ___ monocots 7. ___ ginkgos 8. ___ horsetails 9. ___ mosses, liverworts 10. ___ angiosperm A. have rhizoids, cuticle, and protected embryo sporophyte B. one seed leaf C. non-seed-bearing, heart-shaped gametophytes; spore-bearing leaves with sori D. Lycopodium; cone-bearing sporophyte; free-living gametophyte E. only one species left F. cypress and redwood; heterosporous; mostly evergreen G. confined to tropics or warm, temperate zones; resemble squat cone-bearing palm trees H. two seed leaves I. Equisetum; homosporous; rhizomes present; aerial stems jointed; scouring rushes J. have coevolved with pollinating vectors
Homologous chromosomes undergo synapsis during:a
anaphase I. b. prophase I. c. anaphase II. d. telophase II. e. prophase II