A harvestable yield allows humans to harvest resources but allows the population of prey to rebound to a level close to that of the carrying capacity of the ecosystem in which those populations live.
A group of organisms of the same species living in the same area.
1 : Total number of people living in the country, city, or region. 2 : Group of people or animals living in a particular place, population of deer. population.
A group of people, things, events, organizations, etc. Use populations to draw conclusions. An example of a population is the entire student body of a school. Includes all students studying at the school at the time the data was collected.
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Answer:
A:They were helpful
Explanation:
It says"This succeeded admirably; for in a short time we understood them and they us both by gesture and signs and words; and they were of great service to us".
Answer:
The difference between gross physical evidence and trace physical evidence is that B. Gross physical evidence is easily seen, while trace evidence is very small.
Explanation:
<u>Gross physical evidence</u> refers to any tangible object found -and easily seen- at the scene of the crime, and may include weapons, biological material and all sort of prints (because they can be pulled off and turned into a legal representation for the purpose of analysis.)
<u>Trace evidence</u> refers to a very small piece of evidence that was left at the crime scene that the investigators use to identify or make connections with a suspect of the crime. These trace materials may include hair, fibers, feathers, soil, etc.
Answer:
candy and no-candy condition
Marnie's strategy used researchers to find out the number of misbehaviors among the children( little enough to fit in shopping cart). She tries to pick chilren randomly by picking out every fifth child who is little enough to fit in cart for her research. She limits her research to certain age group.
Age group is the extraneous variable in the experiment
Ethical challenge: The researchers followed the child. So they had to be careful
mode in candy condition: 3
range in no candy condtion is 3
They can reduce number of mis-behaviors by disciplining them.
Explanation:
Independent variable: Candy and no-candy condition.
Her strategy is to pick chilren randomly so she directs researchers to pick every fifth child. She also restricts her research to a certain age group. The age group is restricted by making sure that child is small enough to fit in shopping cart.
age group. She controlled this by making sure children were small enough to fit in shopping cart.
The researchers followed the child around the store which is unethical. They must have been careful not to get noticed.
range in no-candy condition: 4-1=3
authoritative parenting help to discipline the children
