Answer:
The biologist is studying about the ecological community.
Explanation:
The ecological community refers to the community in which population of different types of species survives together. As the biologist is observing about the interaction of different populations of Pennsylvania region, it can be inferred that the he is studying about the ecological community of Pennsylvania region.
The population surving in the community interact with each other through different modes of interaction. It may either parasitic, or mutual, or competitive or predication or commercialism.
a transform boundary because the two plates pass each other in that same plane and the blocks of rock move in opposite horizontal directions .
The answer to your question is A)front
The reflex involved when you stroke an infant's cheek and she/he turns toward the stimulator and begins to suck is called the rooting reflex.
The rooting reflex is one of the baby’s involuntary movements that help them find breast or a bottle to begin feeding. It occurs when the baby’s mouth touches the skin and as a consequence turn their heads. This reflex is typical for the first few months of baby’s life.
<span>#1 The force needed to stretch an elastic object___
(A) decrease to stretch it father
</span><span>#2 According to the kinetic theory, what happens when ice melts?
</span><span>(C)the water molecules increase their speed
</span><span>#3 Which statement about temperature is correct?
</span><span>(C) temperature is an indirect measurement of that energy in a substance</span>
