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before cell division happens after the old tissues have to be renewed or repaired.
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Sexual reproduction evolved before the evolution of?
Sexual reproduction evolved before the evolution of multicellularity. Organisms were able to reproduce sexually as single-celled organisms before multicellular life forms emerged.
What is the one other characteristic they must have before they can be called multicellular?
Before organisms can be called multicellular, they must have specialized cells that work together and communicate with each other to form a functional unit. This coordination between cells allows multicellular organisms to perform complex functions and exhibit higher levels of organization than single-celled organisms.
How is budding different in unicellular and multicellular organisms?
In unicellular organisms, budding involves a parent cell dividing asymmetrically to form a smaller daughter cell that eventually detaches. In multicellular organisms, budding is a form of asexual reproduction where a new individual grows from an outgrowth on the parent organism before detaching.
What are the four events or circumstances that take place in a multicellular organism which require cell division?
Four events or circumstances in multicellular organisms that require cell division are growth (increasing the number of cells), tissue repair (replacing damaged or dead cells), development (differentiation and specialization of cells), and reproduction (production of gametes for sexual reproduction).
What is the division of the Cambrian and Pre-Cambrian periods?
The Cambrian period occurred approximately 541 million years ago, marking the beginning of the Paleozoic Era. The Pre-Cambrian is a broad division of time before the Cambrian period, encompassing about 4 billion years of Earth's history, including the formation of the planet and the evolution of life prior to complex multicellular organisms.
Why do evolutionists believe that photosynthesis evolved before multicellular life?
Analysis of minerals and fossils indicates that Earth had an oxygenated atmosphere before there wre muticellular organisms. Additionally, fossilized colonies of cyanobacteria, bacteria that carry out photosynthesis, have been found predating any multicellular organism.
What happens before cell division can happen?
the DNA makes a copy of itself
What process happens in the cell before cell division takes place?
mitosis
Describe two differences between organisms in kingdom animalia and kingdom fungi?
Organisms in kingdom Animalia are multicellular and heterotrophic, meaning they rely on consuming other organisms for nutrients. On the other hand, organisms in kingdom Fungi are mostly multicellular (except for yeasts) and obtain nutrients through absorption, breaking down organic matter externally before absorbing it.
Can you put unicellular in a complex sentence?
Not all the unicellular organisms have Ribosomes, but most of them Do.Dna Is an integral part of multicellular organisms, but not all unicellular have DNA.It is believed that first living cells were bacteria, although other unicellular organisms lived for millions of years before them.
What happens before cell division can take place?
the DNA makes a copy of itself
What two things distinguish the organization of most many celled organisms from the organization of one celled organisms?
Hoes and boats
