Answer:
The Grants wanted to find out whether they could see the force of natural selection at work, judging by which birds survived the changing environment. For the finches, body size and the size and shape of their beaks are traits that vary in adapting to environmental niches or changes in those niches.
Answer:
If 10,000 joules of energy is available to the producer, then only 1000 joules of energy will be available to the primary consumer and only 100 joules of energy will be available to the secondary consumer.
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Hey Naomi
The correct answer is: Red blood cells.
Red blood cells contains hemoglobin to carry oxygen.
When they come into contact with each other they are attracted to each other and the orientation matters because the Hydrogen of one molecule will align with the Oxygen in another water molecule.