Biology, 02.09.2019 12:30, dorothylankford3823
Apopulation of hummingbirds is composed of individuals with short or long beaks, which they use to reach nectar inside flowers. a flowering trumpet vine that produces many deep, bell-shaped flowers is introduced to the region, resulting in fewer short-beaked and more long-beaked hummingbirds. which of the following conditions most likely caused this shift in the hummingbird population?
Answers: 1
Biology, 22.06.2019 08:50, eyeneedalife
What processes take place before the mature mrna exits the nucleus?
Answers: 1
Biology, 22.06.2019 11:00, jimissac68
Which statement correctly describes other ways in which nebulae and stars are different? a. a star always has a higher density than a nebula. b. stars can form inside a nebula but a nebula can never be produced by any star. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star. reset submit
Answers: 3
Biology, 22.06.2019 17:00, maleja2038
Some species of wasps are social. the queen starts a colony from scratch each spring. she builds a small nest, and lays and raises a group of female workers. the workers enlarge the nest while the queen continues to lay eggs. unfertilized eggs become males that mate with newly hatched females. all of the wasps except the newly fertilized females die by the summer. which best describes this behavior? a)it is beneficial only to the males that do not fertilize eggs. b)it is beneficial only to the female workers that are not fertilized. c)it is beneficial to each one of the individual colony members. d)it is beneficial to the whole species, but not to all of the individual members.
Answers: 1
Apopulation of hummingbirds is composed of individuals with short or long beaks, which they use to r...
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