Answer:
The tiles can be arranged as follows:
- make an observation
- ask questions
- construct a hypothesis
- test the hypothesis
- analyze the results and make conclusions
- communicate the result
Explanation
A scientific investigation begins with certain observations. By seeing these observations, a question is made. To answer the question, a hypothesis is generated. A hypothesis is a tentative statement that can either be stated s correct or wrong. To test the hypothesis, experiments are made and results are deduced from the experiments. Based on these results, a hypothesis can be proved as correct or wrong. These results are then communicated to check for their authenticity.
Answer:
Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism. ... In each case, energy is passed on from one trophic level to the next trophic level and each time some energy is lost as heat into the environment.
Answer:
estrogen and progesterone
Explanation:
both are the major hormones for emotional and physical changes
Answer:
False
Explanation:
Consumers (animals) get their energy by eating the producers and/or other consumers. Scavengers and decomposers get their energy by eating dead plants or animals. Living organisms require these nutrients to create cells, tissues and to provide energy for life processes. Thus, all living things need energy to survive.
<span>MITRAL VALVE
Location: Between the left atrium and left ventricle
Function: Prevents backflow of blood to the left atrium when the left ventricle contracts</span>