Consider the plant cells in the image below.
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Which is a function of the cell structure that...
Answers: 3
Biology, 21.06.2019 20:00, awdadaddda
Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.
Answers: 1
Biology, 22.06.2019 03:40, NANA2007
Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.
Answers: 2
Biology, 22.06.2019 11:00, anitadefrances
Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth
Answers: 1
Biology, 22.06.2019 22:00, lauralimon
Which of the following observations darwin shape his concept of descent with modification? a) species diversity declines farther from the equator. b) fewer species live on islands than on the nearest continents. c) birds can be found on islands located farther from the mainland than the birdsê¹ maximum nonstop flightdistance. d) south american temperate plants are more similar to the tropical plants of south america than to thetemperate plants of europe. e) earthquakes reshape life by causing mass extinctions.
Answers: 1
History, 16.07.2019 12:30
Health, 16.07.2019 12:30
Mathematics, 16.07.2019 12:30
Mathematics, 16.07.2019 12:30