Answer
primary function of cell membrane is protecting organelles because cell membrane acts as a physical barrier allowing a very few molecules across it while fencing the majority of chemicals inside cell in this way it maintains the internal composition of cell and protect the organelles from the attack of bacteria and viruses
Explanation:
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PRIMARY GROWTH
1) apical meristem
3) elongation
5) increases exposure to light
9) occurs in plants that live only one year
SECONDARY GROWTH
2) cork cambium
4) provides structural support
6) increases vascular flow
<span>7) growth in thickness
</span>10) lateral meristem
11) vascular cambium
BOTH
8) occurs in plants that live many years.
NEITHER
False. Offspring could die off from many factors such as disease, lack of food, and predators.
Answer:
Either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.