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Why is blood collected in a plan tube?
Blood is collected in a plain tube to obtain a serum sample. The absence of additives in a plain tube allows blood to clot naturally, separating the liquid serum from the solid components of the blood. This serum can then be used for various diagnostic tests.
When a magnet is dropped inside a copper tube its exit is delayed by a few minutes why?
This effect has nothing to do with the magnet sticking to the side of the copper. Magnets will only stick to ferromagnetic substances such as iron and steel, not copper. The actual physics of this experiment is more subtle. The magnet falling down the tube results in a changing magnetic field within the copper tube. This changing magnetic field produces a current within the tube. That current creates a new magnetic field within the tube which slows down the magnet.
How can a half test tube of sugar and a half test tube of water add up to one full test tube?
When sugar dissolves in water, it occupies space within the water molecules, leading to an increase in volume. So, if you dissolve a half test tube of sugar into a half test tube of water, the volume of the mixture will be greater than the sum of the individual volumes of sugar and water, resulting in a full test tube.
What term describes a experiment done in a test tube?
A experiment done in a test tube is commonly referred to as an "in vitro" experiment. This type of experiment allows for controlled conditions within the test tube to study biological processes or reactions outside of a living organism.
What is boiling tube and what is use for?
A boiling tube is a narrow glass tube used in scientific laboratories to hold small quantities of liquids for heating or mixing. It is often used in experiments that require heating substances and observing reactions within a controlled environment.
Animals whose basic body plan can be described as a tube within a tube are the?
Animals whose basic body plan can be described as a tube within a tube are the bilaterians, including insects, mammals, reptiles, and birds. This means they have a central digestive tube (gut) within a central nervous system. This body plan allows for efficient organization of internal organs and specialization of body regions.
Which phylum of animals has a body plan that is essentially a tube within a tube?
The phylum that has a body plan that is essentially a tube within a tube is the Phylum Platyhelminthes, which includes flatworms. They have a simple body structure with a digestive tract that is a tube running from mouth to anus along the central axis of their body.
Which feature best relates to the annelid tube within a tube a body plan?
the coelom, (^^,)thc woot
Why is the grasshoppers body plan often called a tube within a tube?
Grasshoppers basically have a tube which runs from the mouth to the anus that works as its digestive tract.
Which organisms body form is best described as a tube within a tube?
a sponge
What term describes an earthworm's body plan?
If you look at an anellida you will have to admit that it kind of looks like a tube, from the outside, right. Well inside the worm has a gut that is just as long and as straight as it is on the outside. And between the outer-skin and the inner gut there is the body medium, a mostly fluid filled series of chambers. This makes for a tube within a tube.
How is a roundworm's digestive tract like a tube-within-a-tube?
well it has a tube, and that tube is within a tube. therefore, the tube is somehow within the tube. that explains it
Based on this cladogram which phylum of animals is most closely related to arthropods?
The phylum most closely related to arthropods would be the phylum Nematoda. This relationship is based on shared ancestral characteristics, such as the presence of a tube-within-a-tube body plan and bilateral symmetry.
Are earthworms coelomates?
Yes, earthworms are coelomates because they have the "tube within a tube" body plan that characterises coelomates. More specifically, coelomates have a body cavity that is completely lined with cells derrived from the mesoderm (the germ layer of tissue found between the endoderm and ectoderm in embryonic development).
How is the body plan of planarian different from an earthworm?
The flat worm must live in water, while the earthworm lives in and around the earth. The planarian detects light. The planarian can be split in two, separating left and right (and live). The earthworm can be split front and back (and live). The reverse is not true. Etc.
What kind of a body plan does a starfish?
For a body plan, a starfish has 5-part radial symmetry, spiny skin, internal skeleton, water vascular system, and suction cup-like structures called tube feet.
What is roundworm?
A Roundworm or Nematode has a "tube" like body within a tube, with a fluid- filled cavity in between the tubes.Most nematodes are parasites, such as ascarids, filarids, pinworms, hookworms, and whipworms.
