DNA and RNA are the genetic code. They are passed form the ancestor to offspring. They code for a mix of traits from the parents and tell the cells what to do what traits to form, and overall how to function
Answer:
Option D
Explanation:
Options for the question are -
a) “I will call the doctor if my incision becomes swollen and red.”
b) “I will check my pulse every day and report to the doctor if the rate is below the pacemaker setting.”
c) “I will avoid any large magnets that may affect my pacemaker.”
d) “We will be getting rid of our microwave oven so it will not affect my pacemaker.”
Solution -
The statement as stated in option D signifies the lack of knowledge of patient about the pacemaker and precautions to be taken while using it.
In general all the pacemakers have efficient mechanism to protect the device from electrical disturbance received from other electrical device specially the household devices such as refrigerator, heater, motors, microwave etc. However, protection is required from magnetic fields and magnets. Thus option C is a correct statement. Option A and B depict valid general precautions and check to be taken care of while using pacemaker.
Answer:
Adaptations develop from variations within a population and help organisms to survive in their given environment. Changes in populations accumulate over time; this is called evolution. The fossil record shows us that present-day life forms evolved from earlier different life forms.