Explanation: we will conclude this by the following characteristics:
1.organims that lack a proper nucleus.
2.they have membrane bounded organelles
3.they are tiny single cell oraganisms which cannot be seen by naked eye.
4.they are the oldest livinh organisms on earth
5.they are present in very harsh conditions like volcanic vents or at the bottom of the sea
In the plants, vascular system has two parts. Xylem transports water and minerals up, and phloem transports sugar down and to all the cells of the plant.
To find the density of an object, divide the mass by the volume. To find the density of the object in your problem, use a calculator to divide 60.0 by 400.0
The Elodea then takes in the carbon dioxide, and produces the oxygen for the snail to take in. ... The amount of Bromthymol Blue in each test tube was important because it shows how much carbon dioxide they are producing. If the color changed, it meant that there was carbon dioxide in the test tube. Please mark brainlest
The answer is “sensory receptors”. Sensory receptors are
defines as expert cells, which observes detailed circumstances in the body or exterior
surroundings. It is also known as a sensory nerve ending, which receives data
and starts a procedure of producing nerve impulses to be conveyed to the brain
for analyses and discernment.