Answer:
Variation. Organisms (within populations) exhibit individual variation in appearance and behavior.
Inheritance. Some traits are consistently passed on from parent to offspring.
High rate of population growth.
Differential survival and reproduction.
Explanation:
Answer:the job of that is to let nutrients or good things inside and keep the unwanted out. To make sure what the cell needs to survive and reproduce
Explanation:hope this helps
Answer:
lymphatic tissue produces lymphocytes and filters out impurities and harmful substances.
Yes, it is very true, if you don't know these symbols, you're basically lost.