• pregunta
1. I know that a is a prediction that is tested by experiment.
• hipótesis
• pregunta
• teoría
• conclusión
2. I know that a is when we use our senses to measure or collect data.
•inference
•observation
• theory
• hypothesis
3. I know that a is a statement made using previous knowledge or observations
•inference
•observation
•theory
•hypothesis
4. I know that the circulatory system and the respiratory system work to maintain homeostasis by helping carry to cells, while also removing carbon dioxide and waste
• oxygen and nutrients
• lactic acid and carbon dioxide
• oxygen and waste
• nutrients and carbon dioxide
Answers: 2
Biology, 22.06.2019 04:30, Tnaaasty5901
Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.
Answers: 2
Biology, 22.06.2019 07:30, 1tzM3
Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables
Answers: 3
Biology, 22.06.2019 10:30, pinklover2002
Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.
Answers: 1
1. I know that a is a prediction that is tested by experiment.
• hipótesis
• pregunta
• pregunta
Social Studies, 09.04.2021 18:50
Mathematics, 09.04.2021 18:50
Mathematics, 09.04.2021 18:50