<u>Answer:</u> "Chemical fossils"evidence supports the notion that sponges are some of the earliest known multicellular animals.
<u>Explanation:</u>
Sponges are multicellular animals, may belong to Ediacarian period likely to be 80 million years ago or earlier. They catered through a complex system of internal channels, by moving seawater.
Sponges are soft-bodied and very rarely protected as fossils, therefore finding evidence of existence is giant task. The key of their existence came to know from abnormal chemicals which is a steroids of a particular type generated sufficiently by them but virtually never by ordinary organisms.
Analysis of long strata sequence found in Oman and researchers have been able to extract these "chemical fossils" from samples spanning tens of millions of years — before, during and after the Ediacarian period.This gave clear evidence that sponges had to have evolved long before the great variety of multicellular organisms proliferated at the dawn of that time.
Answer:
The answer is C
Explanation:
Because if its organelles are damaged it can not function properly and will soon eventually end end of course the cell dying
Correct answer: D). Algal cells have a cell wall made of chitin, while plant cell walls are made of cellulose.
Algae and plants are similar as both of them produce their own food by the process of photosynthesis. The main difference is found in their complexity.
The cell wall of the plants is made of cellulose, hemicellulose and pectin, and polysaccharides, while the cell wall of algae is made up of chitin, which is a polysaccharide derived from glucose.
Is there a list of organisms ?
Answer:
When Darwin formulated the theory of evolution through ____THE PINZONES________ ____________, he used changes he saw in the __________ OTHER SPECIES OF THE GALAPAGOS ISLANDS______________ to support his assertions. However, there are other pieces of evidence that demonstrate the occurrence of evolution in living things.
Explanation:
Charles Darwin analyzed the evolution of life or living beings through a species of birds that are called finches, also to reinforce this theory he analyzed other species on the Galapagos Island where these finches were, and noted that the turtles were from larger and the rest of the species also presented some differences, this is how their theory reinforces and drives it, indicating that the one that survives is the most suitable for that particular environment.
