The reproductive system is a group of sex organs that work together for the purpose of sexual reproduction. Hope this helped!
Very powerful microscopes were needed before cells could be observed in detail
Answer:
The correct option is D: Being prepared for harsh weather conditions
Explanation:
Plants are sensitive to the changes in the environment and any drastic changes in their surroundings can potentially cause the plant to go into stress, or possibly even die. Too high or low a temperature and the plant will not be able to cope. Similarly, drastic changes in water levels will really affect its health and growth.
Hope that answers the question, have a great day!
3. It produces RNA strands
Similar to the other types of muscle, smooth muscle contraction is caused by the sliding of myosin and actin filaments over each other. Calcium initiates contractions in a different way in a smooth muscle than in a skeletal muscle.
Smooth muscles use less energy to generate the given amount of force, can substain contractile force without fatigue & uses calcium from the sarcoplasic reticulum & extracellular space.
