Joel has a terrarium. The terrarium is a sealed container with both plants and animals. Inside the container, the plants and animals grow and reproduce. From time to time, Joel places the terrarium on a balance and always gets the same reading, 1525.3 grams. This is evidence that best supports which of the following laws of living systems?

A. A Law of thermodynamics
B. B Law of conservation of energy
C. C Law of motion
D. D Law of conservation of mass

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

Is there any solid scientific evidence that humans have been cloned?