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How long have cnidarians been on earth?
The earliest animal fossils where rather modern-looking cnidarians, possibly from around 580 millionyears ago. They've been around for a long time!The earliest animal fossils where rather modern-looking cnidarians, possibly from around 580 millionyears ago. They've been around for a long time!They are present in fossils form since Cambrian times , and were present in Proterozoic Era .
When did stromatolites first appear on Earth?
Stromatolites first appeared on Earth around 3.5 billion years ago. These structures are formed by the activity of microbial communities, primarily cyanobacteria, and are some of the earliest known evidence of life on our planet.
What does prion look like?
Prions are infectious proteins that are misfolded and can self-replicate. They do not have a typical appearance as they are not living organisms but rather abnormal forms of normal cellular proteins. Under an electron microscope, prions may appear as protein aggregates or fibrils.
When do the fibers typical of a connective tissue matrix appear in blood?
Fibers typical of a connective tissue matrix, such as collagen and elastic fibers, are not normally found in blood. Blood primarily consists of plasma, red blood cells, white blood cells, and platelets. Fibers typically found in connective tissue are found in tissues like tendons, ligaments, and the extracellular matrix of organs.
Is merismopedia a unicellular or a multicellular cell?
Merismopedia is a type of cyanobacterium that is unicellular. However, it often forms colonies that appear multicellular due to the arrangement of its cells in a grid-like pattern. Each cell within these colonies functions independently, but together they can exhibit characteristics typical of multicellular organisms.
What is the verb from of apparently?
The verb form of "apparently" is "appear." "Apparently" is an adverb that describes something that seems to be true based on available evidence, while "appear" is the verb that means to become visible or to seem in a certain way.
What is the root word of apparently?
The root word of "apparently" is "appareo," which comes from the Latin word "apparere" meaning "to appear" or "to show."
What typical whale-like traits were apparently the earliest to appear What apparently evolved much later?
The earliest whale-like traits, seen in ancient cetaceans like Pakicetus, included adaptations for a semi-aquatic lifestyle, such as elongated limbs and a body shape conducive to swimming. These early whales also had features like a basic form of echolocation and a streamlined skull. Later evolutionary developments included more specialized traits for fully aquatic living, such as the loss of hind limbs, the evolution of flippers, and advanced echolocation capabilities seen in modern species like dolphins and sperm whales. Additionally, the development of a more pronounced dorsal fin and tail flukes occurred much later in whale evolution.
Approximately how many million years ago did the earliest amphibians appear?
The earliest amphibians appeared approximately 250 million years ago.
When did the earliest organisims appear on Earth?
Nobody really knows when the earliest organisms were on Earth. It was definitely more than a million years ago.
Are sponges among the earliest multicellular animals to appear on the planet earth?
yes
Where did the surname Groban originate?
Earliest records of the German surname of Groban appear in Mecklenburg.
What were the two typical characters who might appear in the pantomime?
Spongebob and Patrick
When did china's earliest settlements appear along the hwang ho or yellow river?
About 4000 years ago
What is the Greek or Latin root word for 'apparently'?
Parere is the source for the English adverb 'apparently'. It's the infinitive form of a verb in the classical Latin of the ancient Romans. It means 'to show oneself'.
In which animal group did a backbone composed of vertebrae first appear?
Jawless fish - the earliest known vertebrate was the Myllokunmingia.
What is the adverbial form of the word appear?
The adverbial form of the word "appear" is "apparently." This adverb is used to indicate something that seems to be true based on what is known or observed, often implying some level of uncertainty. For example, you might say, "She is apparently happy," suggesting that her happiness is evident, though it may not be absolute.
