Animals in the tundra struggle to find food and keep warm.
a. True
b. False

Answers

Answer 1
Answer: The answer is a. True.

In tundra, there is no trees, only shrubs, grasses, mosses, lichens. There is very cold, windy and rainy and a food is reduced. Animals in the tundra are adapted to these harsh conditions. Migration or hibernation can be the way to adapt to tundra. Many animals have hollow fur with trapped air inside, so it serves as an insulation layer and keeps them warm. Some animals have shorter ears and mouth to reduce the escape of body heat. Regarding the food, food eaten by summer is stored as a layer of fat under the skin. Caribou, for example, is able to digest lichens. So, it is a struggle to live in the tundra, but animals adapted in different ways to survive.

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PLEASE HELP FAST!!!!!!

Pls help!!!
also explain the answer plss

Answers

Answer: Line A is the enzyme, and Line B is the no enzyme

Explanation:

The reaction rate of a chemical reaction is greatly impacted by the presence of an enzyme. Enzymes are biological catalysts that speed up the chemical reaction by lowering the activation energy required for the reaction to occur. Without an enzyme, the reaction rate may be slow or even non-existent, whereas with an enzyme, the reaction rate can be significantly increased.

In order to compare the reaction rate with and without an enzyme, a graph can be plotted with time on the x-axis and the amount of product formed on the y-axis. The reaction without the enzyme would have a slower rate of product formation and would result in a lower slope on the graph. On the other hand, the reaction with the enzyme would have a sharper rate of product formation and would result in a steeper slope on the graph.

It is important to note that the reaction rate with an enzyme can only be increased up to a certain point, as the enzyme can become saturated with substrate molecules. At this point, the reaction rate will plateau and adding more substrate will not increase the rate of product formation.

Understanding the role of enzymes in chemical reactions is crucial in fields such as biochemistry and pharmacology, as many drugs and therapies work by targeting specific enzymes in the body. By manipulating the activity of enzymes, scientists can alter the rates of chemical reactions and ultimately impact physiological processes.

Potatoes are specialized stems that store food for potato plants. Which main tissue would you expect to primarily make up a potato?

Answers

Potatoes are also known as tubers and they commonly make up most of the carbohydrate needs that the body can get from food. It is made up of parenchyma tissue that makes the plant have the ability of cloning and low metabolic activity. They are commonly used for experimentation as a “model tissue” because of these characteristics.

The correct answer on edge.nuity should be A- ground.

Crossing over is the largest contributor to genetic variation in sexually reproducing organisms. true or false

Answers

 :) The answer is True.
It is true if you looked in your books 

A certain plant has a color that can range from green to yellow. Some plants are very green, and some are very yellow, but most are in between. What is most likely true about this trait? A. The color is a Mendelian trait. B. There are only two alleles for color. C. Being yellow is a recessive trait. D. There are several genes that control the color.

Answers

Because there are not strictly green and yellow plants, this means that the color can be affected by multiple genes. If it was only affected by one gene then you would see only the two groups for the color, green and yellow. The answer is D.

Answer:

The answer is D

Explanation:

In which sealed container would the organisms be able to continuously cycle O2 and CO2 gases?A. A terrarium with mice and wood shavings
B. An aquarium with fish and plastic plants
C. An aquarium with water plants and a snail
D. A terrarium with a frog and a pool of water

Answers

The correct answer is C.
In the aquarium, the water plants would provide the O2 molecules necessary for the snail's metabolism and the snail would release the CO2 molecules that are a byproduct of his metabolism into the container. The CO2 would later be used by plants to make sugar in the process of photosynthesis, releasing more O2 and the cycle of two gases would be completed.

Answer:

The correct answer is C. An aquarium with water plants and a snail

Explanation:

In an aquarium with water plants and snail the flow of oxygen and carbon dioxide will be continuous because plants are able to do photosynthesis which release the oxygen as the byproduct and this oxygen will be used by snail and snail during respiration release CO2 which will be used by plants in the process of photosynthesis to make food for itself.

Therefore there will be symbiotic relationship between plants and snail because snail provides carbon dioxide to plant and plant provide oxygen to the snail and support their survival. Therefore in this container organism would be able to continuously cycle O2 and CO2. So the right answer is C.

Eggs are motile.
true or false....

Answers

False. Eggs are not motile as they are the female reproductive cell and lack the ability to move on their own. They typically require the assistance of a sperm cell to fertilize and develop into an embryo.

What is motile?

Motile refers to the ability of an organism or cell to move or propel itself actively. In the case of eggs, it is not correct to describe them as motile since they are typically stationary and do not have the ability to move on their own.

Eggs may be carried by an organism or external factors such as water or wind, but they do not move under their own power.

Eggs are not motile. Motility refers to the ability of an organism or its parts to move spontaneously. Eggs are stationary and do not have the ability to move on their own.

However, they can be moved by external forces such as water currents or by organisms that come in contact with them. Once fertilized, the embryo within the egg may exhibit motility as it develops and begins to move and grow, but the egg itself is not motile.

Learn more about Motile at:

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The answer is false they are not motile. Motile means being able to move, and eggs are not able to move. Hope this helped!