<span>Evolution of birds is result of a drastic change in how dinosaurs evolved. </span>
Gross motor skills involve large muscles in the arms legs and torso. The general guidelines for gross motor development for children 4 years of age include running, jumping and climbing well and control their direction. They can hop on one foot and they start to skip at this age. At this stage, they are also able to ride a tricycle and reliably catch a ball.
The answer to your question is 4.
When the concentration o molecules inside a cell is different form the concentration of molecules outside a cell, we can either call it hypertonic or a hypotonic solution, and the difference between the two concentrations is called a concentration gradient.
Hypertonic - name given to a solution that has a bigger concentration than the concentration in a cell.
Hypotonic - name give nto a solution that has a smaller concentration than the concentration in a cell.
Hope it helped,
BioTeacher101
Answer:
Y = Aorta.
W = inferior Vena cavae.
Z= Pulmonary vein
X = Pulmonary organ.
Explanation:
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Answer:
The red cheeked salamander is negatively affected, the imitator is positively affected.
