The canopy of a forest is dominated by the oldest and tallest trees. This allows the trees making up the canopy to absorb more light for photosynthesis. The smaller and younger trees have little or no access to light, reducing their chances of survival.
What is the type of relationship present between the trees making up the canopy of a forest and the smaller and younger trees?

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Which of the following is the most likely outcome of global warming

Food contains a sugar called ( ), which is broken down in a process called cellular ( ). this process uses ( ) to break down food molecules and provide energy for cells. fill in the parentheses