Tissues are made of a grouping of cells.
a. True
b. False

Answers

Answer 1

Answer:

The correct answer is A. True

Explanation:

Tissues are the basic structure of organs in both plants and animals. These are made of groups of specialized cells that have specific biological functions. For example, in animals muscles that support the movement are composed of muscle cells that had a specialized structure and function for this. This also applies to plants that are made of epidermal, vascular and ground tissues. According to this, it is true tissues are made of a grouping of cells as each tissue contains sets or groups of specific cells.

Answer 2

Answer: This answer is True!
Cells that all work together to do the same job, make up a tissue.
For example, the skin, is a tissue. It protects the body, and manages it temperature.
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When in doubt, eat a pineapple! <3

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In 1831, Charles Darwin visited the Galapagos Islands. While observing the giant land tortoises that lived on these islands, Darwin noted that the shape of the tortoise shell varied depending on which island the tortoise lived. Tortoises on one island had round shells, for example, whereas tortoises on a neighboring island had more flattened, saddle-shaped shells. Which statement BEST summarizes Darwin's explanation for these differences?A) Random mutations caused the shape of the shells to fluctuate periodically. B) The shape of the tortoise shell varied because the predators on the islands were different. C) The particular shape of the shell was best suited for the island on which the tortoise was living. D) Tortoises who used their shells in special ways caused the shells to become larger, rounder, or flatter.
A series of choices between two characteristics that is used to identify organisms is called a
Brancusi’s well-known sculpture of a bird was intended to ____________
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The main organs of the excretory system are the _____.

Answers

The answer is kidneys, lungs, and skin.

Beside kidneys, lungs, and skin, the excretory organs are liver, large intestine, urinary bladder, gallbladder, urethra, and ureter.
Kidneys are involved in the excretory system by filtering wastes which are excreted as urine. The lungs excrete carbon dioxide from the organism. Skin performs excretion through the sweat glands which produce sweat. Through sweat salt, water, oils are excreted out the organism.

Final answer:

The main organs of the excretory system are the kidneys, ureters, urinary bladder, and urethra. The kidneys filter the blood, produce urine, and are integral in maintaining the body's water and electrolyte balance. This intricate process involves filtration, reabsorption, and secretion.

Explanation:

The main organs of the excretory system are the kidney, ureter, urinary bladder, and urethra. The kidneys are a pair of bean-shaped structures that filter blood and produce urine. This urine then travels through the ureters to the urinary bladder, where it is stored until it is eliminated through the urethra. The kidneys play a critical role in maintaining the balance of water and electrolytes in the body, and they achieve this through a series of three steps: filtration in the nephron, reabsorption of nutrients back into the blood, and secretion of additional waste. To achieve this, kidneys consume around 25 percent of the oxygen absorbed by the lungs, which is used to generate energy in the form of ATP through aerobic respiration.

Learn more about excretory system

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The loss of an organism at the bottom of a food chain negatively impacts all organisms in the chain

Answers

Answer:

true

Explanation:

i just took the test.

YES BECAUSE THE BOTTOM OF THE FOOD CHAIN IS THE PRODUCER AND THAT IS THE GRASS AND THE ORGANISM THAT EAT THE GRASS WOULD DIE BECAUSE THAT ORGANISM WOULDNT BE ABLE TO EAT AND THEN THE SAME THING WILL HAPPEN TO THE OTHERS.

What are some characteristics that green algae and kelp share?

Answers

Answer:

Green algae contain the same carotenoids and chlorophyll a and b as land plants, whereas other algae have different accessory pigments and types of chlorophyll molecules in addition to chlorophyll a. Both green algae and land plants also store carbohydrates as starch.

During DNA replication, which sequence of nucleotides will bond to the sequence ACGTAT?A. UGCAUA
B. TCGATA
C. UCGUAU
D. TGCATA

Answers

During the metabolism of DNA replication, the process of amino acid change is as follows: Alanine (symbol A) is transformed into Threonine (symbol T), Cysteine (Symbol C) is converted to Glycine (symbol G) and vice versa. So the answer is D. TGCATA.

During gym class, Raul walks briskly for a half hour. Jenna decides to sprint and run the bleachers for the same amount of time.Which statement best compares the cellular processes occurring in each student during this time?

Answers

in the time that raul is walking and jenna is running, jenna is getting more energy out of her system since she is working at a faster pace.

Drinking too much water during exercise can cause a condition in which the concentration of sodium in the blood is lower than normal. What response do you expect to happen as the body tries to restore homeostasis? Cells swell as water moves into them.Cells swell as water moves out of them.Cells shrivel as water moves out of them.Cells shrivel as water moves into them.

Answers

The correct option is this: THE CELLS SHRIVELS AS WATER MOVES OUT OF THEM.

Drinking too much water makes the concentration of sodium inside the cell to be lowered compared to the concentration of sodium salt outside of the cells. Because of this, water will flow out of the cell into the surrounding medium and the cell will shrink up. Water usually flow across a semi permeable membrane in the direction where there is high concentration of solutes. Water volume remains the same in both side of a semi permeable membrane if the solution is isotonic, that is the concentration of salts on both side of the membrane is the same. In a situation where the surrounding medium is not isotonic, water flow to the region, where the concentration of salt is higher.

C. Cells shrivel as water moves out of them.

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