Answer:
Petal is brightly coloured and scented to attract pollinating insects
Leaf acts as food factory using the energy from sunlight
Roots carry water and nutrients from soil to the plants body and keeps it anchored in the ground
Veins are blood vessels that carries blood towards heart
Stems support for the elevation of leaves,flowers and fruits and also transport fluids between roots and shoots in xylem and phloem
Explanation:
The answer is B) Chromosomes
Histamines are chemicals released by the body as an allergic response.They help the body by reacting when their are "intruders" so when enters, histamine acts as a messenger and sends out a signal for the body to create a reaction helping to get rid of teh intruder through some type of reaction.
Here is what all 3 symbiotic relationships are: Parasitism is where one organism is benefited and the other is harmed. Commensalism one organism is benefited and the other one is not helped or harmed. Mutualism is were both organisms are benefited or both help each other. Easy ways to remember symbiotic relationships :)
