Biology, 19.10.2019 02:00 nails4life324
Within a flock of birds, some birds have long narrow beaks, and other birds have short wide beaks. environmental changes happen that make it harder for birds that have short wide beaks to find food. after several generations, most of the flock has long, narrow beaks. which statement best describes the trait of the type of beak that a bird in this flock has? having a long, narrow beak is an inherited trait that is genetically passed down. having a long, narrow beak is an acquired trait that is determined by the availability of food. having a short, wide beak is an acquired trait that is found in birds that have learned to adapt to the environmental changes. having a short, wide beak is an inherited trait that is chosen by the bird as a result of its experiences.
Answers: 2
Biology, 22.06.2019 04:00
Asolution of an enzyme and a substrate was placed in a water bath and the temperature of the reaction was raised gradually. the graph shown was plotted at the end of the experiment. what can be concluded from the graph? a) temperature has no effect on the activity of the enzyme. b) the effect of temperature on the enzyme is unpredictable. c) the enzyme shows increased activity up to a certain temperature. d) the activity of the enzyme is inversely proportional to the temperature.
Answers: 2
Biology, 22.06.2019 04:40
The cluster of developing cells from conception until birth is called an
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Biology, 22.06.2019 09:30
Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.
Answers: 1
Within a flock of birds, some birds have long narrow beaks, and other birds have short wide beaks. e...
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