Examlex
Which of these animals has a heart with only two chambers?
Environmental Factors
Aspects of the surroundings that can affect living organisms, including both natural and human-made conditions.
Early Motor Development
The progression of muscular coordination and use of limbs and body in early life stages.
Cephalocaudal
A pattern of growth where development begins at the head and progresses downwards towards the feet.
Proximodistal
A pattern of development in humans and other organisms where growth starts at the central body and moves towards the extremities.
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