To explain: The reason due to which evolution of multicellular organisms led to the development of the circulatory system.
Introduction: Because they consist of several cells, multicellular organisms are structurally complex beings. They can be seen with the unaided eye. They have unique organ systems and organs. Since they are eukaryotes, they have structures that are bound to membranes. The division of work is visible in their cells.
Explanation of Solution
Blood arteries that transport blood away from and toward the heart make up the circulatory system. Blood is transported from the heart by arteries and returned through veins. Oxygen, nutrients, and hormones are delivered to cells by the circulatory system, which also eliminates wastes like carbon dioxide.
In multicellular organisms, the nutrients, oxygen, and minerals should be transported to each cell and the
The circulatory system evolved in eukaryotes to transport oxygen and nutrients to the cells and remove metabolic wastes from the cells.
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Chapter 22 Solutions
WHAT IS LIFE? ACHIEVE 1 TERM ACCESS CODE
- You are studying the evolution of species. After performing DNA analysis, he discovers a gene that is conserved from yeast to humans. In which cellular processes is this gene most like to be involved? Could this gene have evolved to confer some of the complex traits that we observe in modern animals, like multicellularity? Briefly explain.arrow_forwardA)The Miller-Urey experiment in 1953 proved that Group of answer choices multicellular organisms can evolve from unicellular ones living cells could arise from non-living substances organic molecules important to living things could form from a "hot soup" of simple substances conditions on early Earth were not as inhospitable as biologists of the time generally believed a source of energy was not required in order for life to develop on Eartharrow_forwardWhen did animals first appear in thetree of life?arrow_forward
- When describing this experiment to your friends, they point out that rotifers are multicellular predators and thus cannot have been responsible for the earliest transition from single cell to multicellularity. Based on what you have learned in this lab and in the paper by Herron et al. 2019, what would be an informed response to this comment include? Select all that apply. Question 3 options: It is irrelevant that rotifers are multicellular in our study as some of the predators of small unicellular organisms are themselves unicellular, and predation, whether by a unicellular or multicellular organism, was all that was needed. Multicellularity evolved many times. While multicellular predators cannot have been responsible for the earliest transition from unicellular to multicellularity, they may have played a role in some of the later transitions which occurred after the evolution of animals. Using a multicellular predator is…arrow_forwardFigure 1.8 Which of the following statements is false? A. Tissues exist within organs which exist within organ systems. B. Communities exist within populations which exist within ecosystems. C. Organelles exist within cells which exist within tissues. D. Communities exist within ecosystems which exist in the biosphere.arrow_forwardDoes endosymbiosis provide evidence for evolution?arrow_forward
- Which of the following is NOT characteristic of all living things? A) Acquires nutrients and energy B) Reacts to environment C) Undergoes evolution D Breathes oxygenarrow_forwardWhy did the evolution of multicellular organisms such as plants and animals have to be preceded by the evolution of oxygen-producing photosynthesis?arrow_forwardPlace the evolutionary steps that led to complex multicellularity in the order in which they thought to have occurred. 1 v [ Choose ] differential gene expression in cells the ability to communicate between cells the ability to move molecules by bulk flow the ability of cells to stick to each other 3. [ Choose ] 4 [ Choose ] 2.arrow_forward
- Are all living things evolve into humans?arrow_forwardWhich of these evolutionary innovations enabled larger cell size? (a) autotrophic mode of nutrition (b) multicellularity (c) sexual reproduction (d) subcellular compartmentalization (e) all of the abovearrow_forwardWhat are the eons in which the following events occur? Origin of Earth. Oxygen appeared in the atmosphere Prokaryotic cells Single cell eukaryotes Multicellular eukaryotes Animals Plantsarrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College