Answer:
A carbon atom can form four covalent bonds, it also bonds with other carbon atoms to form long-chain molecules of different sizes and shapes.It's electronegativity on Pauling scale is 2.55 due to which when it bonds with elements like oxygen, hydrogen the bond formed is quite strong.
Explanation:
He used single-lens microscopes, which he made, to make the first observations of bacteria and protozoa. His extensive research on the growth of small animals such as fleas, mussels, and eels helped disprove the theory of spontaneous generation of life.
Explanation:
Eukaryotes have many membrane-bound organelles to perform functions like respiration (mitochondria), enzyme degradation (lysosomes), and protein processing and secretion (Golgi apparatus and endoplasmic reticulum). Eukaryotic cells have internal structural elements called a cytoskeleton
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The characteristics show that the given fish is a sturgeon.
Sturgeon is a general name for the twenty-seven fish species belonging to the family Acipenseridae. Their origination dates back to the Triassic, that is, about 245 to 208 mya.
The sturgeons are late developing, and long-lived fishes with different features like a heterocercal caudal fin identical to that of sharks, and an elongated spindle-like body, which is scaleless, smooth-skinned, and armored with five lateral rows of bony plates known as scutes.
The answer to this question would be: True
Fraternal twins are made from 2 different eggs and fertilized by two different sperm. That makes them just like 2 siblings since the genetic in their egg and sperm is different, not same. This can happen if there is two egg released by the womb at the same time.
