Answers: 3
Biology, 21.06.2019 15:20, lillysiege
Sydney drew a flow chart to illustrate the nitrogen cycle. which labels best complete the flow chart? x: producers undergo photosynthesis. y: nitrogen compounds are released into the air. x: nitrogen compounds are released into the air. y: producers undergo photosynthesis. x: free nitrogen is in the atmosphere. y: producers absorb nitrogen compounds through their roots. x: producers absorb nitrogen compounds through their roots. y: free nitrogen is in the atmosphere.
Answers: 3
Biology, 22.06.2019 07:30, hhernande0140
Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided
Answers: 2
Biology, 22.06.2019 12:40, seby951
Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.
Answers: 1
A scientist is observing onion cells in human cheek cells under a microscope. which observation does...
Social Studies, 13.10.2020 14:01
Biology, 13.10.2020 14:01
Mathematics, 13.10.2020 14:01
Chemistry, 13.10.2020 14:01
Mathematics, 13.10.2020 14:01