Answer is Middle Paleozoic era.
Paleozoic era was in 542 Ma - 245 Ma and it has 6 periods as Cambrian, Ordovician, Silurian, Devonian, Carboniferous and Permian.
360-280 Ma - forming of vascular plants with woody tissues, seeds and veins.
430 - 410 Ma - forming of jawed fishes and first amphibians.
420 Ma - forming of scorpions
360 Ma - forming of crustaceans.
Answer:
It would be c
Explanation:
I remember this question when I took floral design.
The answer is A: Synaptic cleft, motor end plate
In order to conduct a research you should have an dependent variable, independent variable and the control variable. so in order to study phototropism, then you should need sun light and the growth of the plant and you must have a control that why you need a dark room.
Biotechnology, by the word itself is a technology that is centered in
biology. It is the exploitation of biological process. Biotechnology has
harness the cellular and bio molecular processes to develop technologies and
product that help us elevate our lives. With the help of biotechnology, we are
able to modify the products for its specific use. Let me give you an example of
the following:
<span>1. </span>Medicine: In medicine, the modern biotechnology had
provided products that could combat rare diseases. Currently, around 250
biotechnology health care products and vaccines were made as well as those that
are known to be untreated.
<span>2. </span>Agriculture: With the help of biotechnology, we can
reduce some of the environmental footprint. It has been reported that it is
more than 13.3 million farmers used biotechnology products to prevent damage
from the yield cause by the pest.
<span>3. </span>Conservation: Biotechnology also help us reduce
greenhouse gas emissions.
