Biology, 24.03.2020 01:38, matthewt894
You are at a restaurant where they offer both grass-fed and grain-fed beef, and are trying to decide which is the most sustainable choice. Which of the following statements is most logical?
Grain-fed beef is the most sustainable choice. These cattle have a high feed conversion rate, meaning it takes a lot of feed to produce a pound of meat, making it very nutritious.
Grain-fed beef is the most sustainable choice. Cows from feedlot operations are healthier because they are routinely given antibiotics.
Grass-fed beef is the most sustainable choice. These cattle are free to walk around and therefore they grow and gain weight much more rapidly than grain-fed feedlot animals, so you would get more value for your money.
Grass-fed beef is the most sustainable choice. Grass-fed beef represents a net gain for the human food supply because cows eat grasses that we can’t eat (from land that is typically unsuitable for human crops) and turn it into beef that we can eat.
Answers: 1
Biology, 22.06.2019 11:30, alvaradolm9723
Female luna moths (actias luna) attract males by emitting chemical signals that spread through the air. a male hundreds of meters away can detect these molecules and fly toward their source. the sensory organs responsible for this behavior are the comblike antennae visible in the photograph shown here. each filament of an antenna is equipped with thousands of receptor cells that detect the sex attractant. based on what you learned in this chapter, propose a hypothesis to account for the ability of the male moth to detect a specific molecule in the presence of many other molecules in the air. what predictions does your hypothesis make? design an experiment to test one of these predictions.
Answers: 1
Biology, 23.06.2019 00:30, theuniicorntamer
Imagine that you are a doctor in a maternity ward. during your last shift, 20 babies were born. 10 had blue eyes, and 10 had brown eyes. 15 had round heads, and 5 had pointed heads. what are the parents phenotypes/traits?
Answers: 2
Biology, 23.06.2019 01:00, love123jones
The information in the diagram best support which hypothesis
Answers: 3
You are at a restaurant where they offer both grass-fed and grain-fed beef, and are trying to decide...
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