In what fundamental way does the structure of a sponge differ from that of all other animals?.

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Answer 1

Answer:

Unlike other animals, they lack true tissues and organs. Some of them are radially symmetrical, but most are asymmetrical. The shapes of their bodies are adapted for maximal efficiency of water flow through the central cavity, where the water deposits nutrients and then leaves through a hole called the osculum.

Explanation:

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What are the bubbles that are being produced in this test tube, and what is the name of the process producing them?

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Answer:

its due to the formation of carbon dioxide during respiration.

Bubbles from a liquid formed when air enters inside the liquid and as a result bubble is formed. The process is called effervescence

basically, effervescence is nothing but the escape of gas from an aqueous solution and the foaming or fizzing that results from that release

Explanation:

which factor(s) are hypothesized as the causes of the triassic-jurassic mass extinction? check all that apply.

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Researchers debate theories about the Triassic-Jurassic extinction event's origins, which include climate change, asteroid impacts, and volcanic eruptions.

The Triassic and Jurassic mass extinctions: what happened?

The end-Triassic extinction was brought about by massive and extensive volcanic eruptions. Around 200 million years ago, an increase in atmospheric CO2 led to the oceans becoming more acidic and the Earth being warmer, which contributed to the extinction of 76% of marine and terrestrial species.

Which are the top 4 reasons for mass extinctions?

Extreme temperature variations, fluctuating sea levels, and catastrophic, one-time occurrences like a supervolcano erupting or an asteroid impacting Earth have all been responsible for previous mass extinctions. We are aware of them because the fossil record demonstrates how life has altered over time.

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Both smooth muscles and skeletal muscles are involuntary muscles.
a. true
b. false

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Both smooth muscles and skeletal muscles are involuntary muscles is False.

Skeletal muscle fibers are cylindrical multinucleated striated and under voluntary control. Smooth muscle cells are spindle-shaped with a single central nucleus and no muscles. They are called involuntary muscles. Both cardiac and skeletal muscles are striated but smooth muscle is not.

Smooth muscle fibers are found in the walls of hollow internal organs except in the heart which appears spindle-shaped and is under involuntary control. Skeletal muscles are voluntary muscles. This means you can control when and how it moves and functions. Skeletal muscle consists of voluntary muscles that are normally attached to the skeleton. Skeletal muscles move the body.

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Answer: false

Explanation: got it right on edge

The organelle involved in breaking down other organelles that have outlived their usefulness is the.

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The digestive system of the cell, or lysosomes, is responsible for breaking down material taken up from the outside as well as old cell parts.

The lysosome is an organelle that houses digestive enzymes and serves as an animal cell's organelle recycling facility. In order for their molecules to be reused, it disassembles outdated and pointless structures.

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