Question 20 of 20 :
select the best answer for the question.
20. which of the following is not a defining characteristic of plants?
o a. plants are prokaryotic
o b. plants are eukaryotic
o c. plants have cell walls
o d. plants contain chloroplasts for photosynthesis

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems