Close

2021-05-14

Which of these groups exhibits Cephalization?

Which of these groups exhibits Cephalization?

Three groups of animals display a high degree of cephalization: vertebrates, arthropods, and cephalopod mollusks. Examples of vertebrates include humans, snakes, and birds. Examples of arthropods include lobsters, ants, and spiders. Examples of cephalopods include octopuses, squid, and cuttlefish.

Which type of animal would be most likely to be the mostly highly Cephalized?

Flatworms

Why was the evolution of a Coelom a critically important innovation for animals?

Why was the evolution of a coelom a critically important innovation for animals? The coelom made it possible for animals to colonize land. The coelom can act as a hydrostatic skeleton. Animal appendages are too complex to have evolved more than once.

Why might Researchers choose molecular data?

Why might researchers choose to use molecular data (such as ribosomal RNA sequences) rather than morphological data to study the evolutionary history of animals? Some phyla vary too widely in morphological characteristics to be classified accurately. Morphological changes usually do not result from molecular changes.

READ:   What is true of the population shown in this graph Brainly?

What are the features of Deuterostome development?

Which feature of deuterostome development explains the formation of identical human twins? Deuterostomes have indeterminate development. In deuterostomes, the blastopore becomes the anus.

Why is it ecologically significant that animals are heterotrophic and multicellular?

Why is it ecologically significant that animals are heterotrophic and multicellular? Many unicellular organisms are heterotrophic, but they can consume only small bits of food. Animals are multicellular so they are larger and can consume larger amounts of food–making them important consumers in food webs.

Which traits do you think might have been most important in triggering diversification within phyla?

Based on your reading of this chapter, propose at least 5 traits that you think might have been most important in triggering diversification within phyla. central nervous system, bilateral symmetry, segmentation; sensory organs, ecological roles, feeding strategies.

What name is given to the Food trapping cells of sponges?

Choanocytes trap bacteria and other food particles from water flowing within the sponge: in through the ostia and out through the osculum; particles are ingested by phagocytosis.

Which of the following is an example of homology similarity due to common ancestry?

Homology In the Animal Kingdom Following are some examples of homology: The arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale are homologous structures. They are different and have a different purpose, but they are similar and share common traits.

What are the 3 types of homologies?

Homology is the study of likeness, the similarity between species that results from inheritance of traits from a common ancestor. The study of similarities is broken up into three main categories: structural, developmental, and molecular homology

What are examples of homology?

A common example of homologous structures is the forelimbs of vertebrates, where the wings of bats and birds, the arms of primates, the front flippers of whales and the forelegs of four-legged vertebrates like dogs and crocodiles are all derived from the same ancestral tetrapod structure.

READ:   How are mitosis and meiosis similar and different quizlet?

What does homology mean?

Homology, in biology, similarity of the structure, physiology, or development of different species of organisms based upon their descent from a common evolutionary ancestor. …

What is analogy and homology explain with examples?

Homology involves the study of organs that have evolved from same origin or from common ancestor but have different functions. For example, wings of bat and hands of humans. Analogy involves the study of organs that are evolved from different ancestors but perform a similar function.

What’s the common ancestor?

In biology and genealogy, the most recent common ancestor (MRCA), last common ancestor (LCA), or concestor of a set of organisms is the most recent individual from which all the organisms of the set are descended.

Do humans have a common ancestor?

We do share a common ape ancestor with chimpanzees. It lived between 8 and 6 million years ago. But humans and chimpanzees evolved differently from that same ancestor. All apes and monkeys share a more distant relative, which lived about 25 million years ago.

Does all life share a common ancestor?

All life on Earth shares a single common ancestor, a new statistical analysis confirms. Because microorganisms of different species often swap genes, some scientists have proposed that multiple primordial life forms could have tossed their genetic material into life’s mix, creating a web, rather than a tree of life

How far back until everyone is related?

20 generations

How many generations is 600 years?

So if you consider a generation is usually 30 years 10 generations back will take you back 300 years and give you 2046 ancestors. If you take it back to 20 generations or 600 years you’d have 2,097,150 ancestors.

How many years is 50 generations?

Generally, three or four generations span 100 years, but depending on a number of factors, that same amount of time could produce as little as two generations or as many as five generations. The average span between one generation and the next is about 25 to 30 years, so a safe answer would be 75 to 90 years

How many years is 7 generations?

It is believed to have originated with the Iroquois – Great Law of the Iroquois – which holds appropriate to think seven generations ahead (about 140 years into the future) and decide whether the decisions they make today would benefit their children seven generations into the future.

READ:   What type of body symmetry do cnidarians have?

How long is 14 generations in the Bible?

The numbers may be linked to Daniel 9:24–27, which states that seventy weeks of years, or 490 years, would pass between the restoration of Jerusalem and the coming of the messiah. Since generations were commonly placed at 35 years, this means exactly 14 generations.

Where is 14 mentioned in the Bible?

Exodus 12:6 – The 14th day of the month was the start of Passover or when Israel as a nation was started. Most references to 14 in the Bible are about a Passover that was being celebrated. Esther 9:15 – The day of Purim was the 14th day of the month; this is when the Jews were allowed to kill their enemies

How many years make a generation?

A generation is “all of the people born and living at about the same time, regarded collectively.” It can also be described as, “the average period, generally considered to be about 20–⁠30 years, during which children are born and grow up, become adults, and begin to have children.”

How many years was it between Adam and Jesus birth?

So 69 weeks amount to 483 years; for, from the said year of Darius, unto the 42nd year of Augustus, in which year our Saviour Christ was born, are just and complete so many years, whereupon we reckon, that from Adam unto Christ, are 3974 years, six months, and ten days; and from the birth of Christ, unto this present …

Why is Jesus called the Son of David?

He is the Son of David because Joseph, son of David, on divine command, gives him his name and so acknowledges him as his son, adopting him into his line (1:20, 25). But though it is not said in 1:1, Jesus Messiah is above all the “Son of God.”

How many generations were there between Adam and Jesus?

76 generations

How long was a year in the Old Testament?

360 days