Answer:
New species can appear gradually through small changes in an ancestral species.
Explanation:
The new species that appear are due to hereditary variations that occur in a population. The adaptive variations are said to confer a selective advantage to organisms possessing them. The result of variations is that well adapted individuals are able to survive and reach the reproductive age and pass over their favourable characteristics to their offspring.
Answer:
The Y chromosome is present in males, who have one X and one Y chromosome, while females have two X chromosomes.Explanation:
Answer:
Troposphere
Explanation:
Almost all weather activities take place in the troposphere
All accept for “in some cultures there’s an increased risk for certain diseases” and “the populations live at extreme altitudes” because both of these statements do not relate to cultural values
Condensation occurs in the atmosphere, which is D. Think about water vapor. Since water vapor is part of the air, so that means that condensation occurs in the atmosphere.
Vocab:
Condensation - Is the change of the water vapor into the water, or overall the change of water from its gaseous form to liquid form.
Hope this helped!
