Answer:
D) largest mass extinction event in Earth's history
Explanation:
The cambrian era started following the pre-cambrian extinction
Fibre is a carbohydrate that the body can not digest or assimilate
There are two types of fibre: soluble fibre and insoluble fibre with complementary health benefits.
<span>Fibre that soluble can bind to bile and cholesterol and pull it out of circulation. this can help to decrease blood cholesterol.</span>
Answer:
a) stomata
Explanation:
The stomata are little pores / doorways / openings that have the express purpose of allowing gases in and out. Without this, plants would not be able to fix carbon, which is essential in respiration.
Why not c or b: The xylem and phloem channel water through the plant, not gases.
Why not d: The cuticle is the waxy outer layer of the leaf meant to protect it, not allow gases through.
Answer: D. None of the above
Explanation:
Heredity can be defined as a biological process that involves the passing on of characters or traits from parents to their offsprings genetically. These traits can be physical for example, height, colour of eyes or mental for example, intelligence.
Answer:The genetic code is based upon the reading of how many bases at a time? A. one. B. two. C. three. D. four.