Biology, 20.03.2020 02:17 theledfords855
After several years of severe drought, water has become a scarce resource. Bird beak shape has determined the of each species.
Which bird beak improves survival
In drought conditions, grain produces smaller crops. Grain-eating birds receive water from grain and survive at a higher rate than other birds.
In drought conditions, conifers produce seeds at a consistent level. Conifer seed-birds receive water from seeds and survive at a higher rate than other birds.
In drought conditions, flowers containing nectar become scarce. Nectar-feeding birds receive water from nectar and survive at a higher rate than the other birds.
In drought conditions, producers die and insects migrate to areas with food. Insect-catching birds receive water from insects and survive at a higher rate than other birds.
Answers: 1
Biology, 22.06.2019 10:30
Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.
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Biology, 22.06.2019 14:30
Explain why scientists use the word dominant for certain traits.
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Biology, 22.06.2019 17:00
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
Biology, 22.06.2019 19:50
Select the correct answer from each drop-down menu the images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that the archaeopteryx and bird have wings, while dinosaurs have limhe se it can be concluded that
Answers: 3
After several years of severe drought, water has become a scarce resource. Bird beak shape has deter...
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