Which of the following outcomes would be most likely if the membrane of a cell were no longer selectively permeable?

A)A cell wall would form outside the membrane to protect the contents of the cell.

B) Harmful substances would be able to enter the cell and cause mutations to the cell’s DNA.

C) The cell would die as it would not be able to regulate which substances could enter and leave.

D) The cell would grow as more nutrients would be able to easily enter the cell. ...?

The correct answer is (d) It would have more carbon dioxide.

The green plants that is present in the environment utilizes the carbon dioxide present in the environment. This carbon dioxide is utilized in the process called photosynthesis, and as a result of that oxygen is released into the environment. If there would have lesser number of plants that carry out photosynthesis then the amount of carbon dioxide will increase in the atmosphere.

Answer:

The process of photosynthesis makes glucose, which is used in cellular respiration to make ATP. In the process of cellular respiration, glucose is converted into carbon dioxide and water that is used in the process of photosynthesis.

The product of one process is the reactant of the other process, the chemical reaction of respiration is exactly opposite to the chemical reaction of photosynthesis.

Adenosine triphosphate, or ATP, is primarily used as a source of energy in living organisms.

The answer is False

adults do not have about five times the number of connections that a 3 yr old has

Answer:

Kary Mullis

Explanation:

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The nervous system receives and sends electrical signals throughout the body.

The nervous system is the part of an animal that contains several nerves and specialized cells called neurons which receives and sends electric signals between various parts of the body. The nervous system is composed of the central nervous system (brain and spinal cord) and the peripheral nervous system (somatic and the autonomic nervous systems).

The two types of effectors in the body are muscles and glands, with muscles contracting or relaxing and glands secreting substances in response to stimuli. These responses, which can be voluntary or involuntary, are critical for maintaining homeostasis and are regulated through negative or positive feedback mechanisms.

Types of Effectors and Their Responses

The two types of effectors in the body which respond to stimuli are muscles and glands. Muscles respond to stimuli by either contracting or relaxing, while glands respond by secreting substances. These responses are crucial for maintaining homeostasis, the body's stable internal environment. For example, when the body needs to cool down, sweat glands (effectors) release sweat. Similarly, when blood glucose levels are low, cells in the liver (effectors) release glucose to raise the levels.

Responses can be voluntary, controlled by the somatic nervous system, as in the contraction of skeletal muscles; or involuntary, controlled by the autonomic nervous system (ANS). The ANS is further divided into the sympathetic and parasympathetic divisions, each initiating specific physiological responses. The sympathetic division typically produces a 'fight or flight' response, while the parasympathetic division promotes a 'rest and digest' state.

Feedback regulation plays a significant role in how effectors respond to environmental changes. Negative feedback reduces the original stimulus, while positive feedback increases it, both essential for homeostasis.

The discovery of cells was made possible by the invention and improvement of the microscope in the 17th century, particularly by Antonie van Leeuwenhoek. His work led to discoveries of bacteria, protozoa, and spermatozoa, allowing future advances in biological research.

The significant advance in technology that made the discovery of cells possible was the invention of the microscope. In the 17th century, two Dutch spectacle makers, Hans and Zacharias Janssen, invented a basic microscope with a magnifying glass. However, it was the development and improvement of the microscope, particularly by Antonie van Leeuwenhoek, that allowed for the detailed visualization of cells. Leeuwenhoek's microscopes had better clarity and greater magnifications compared to previous models, which led to his discovery of bacteria, protozoa, and spermatozoa. Furthermore, his work paved the way for future explorations into the cellular world.

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combined genes are received from both parents.

Offspring are genetically different from their parents in sexual reproduction due to crossing-over, independent assortment during meiosis, and the random union of gametes during fertilization, leading to genetic variation.

In sexual reproduction, offspring are genetically different from the parents due to several key mechanisms. Genetic variation is the hallmark of sexual reproduction, which results in offspring with unique genetic makeups. This genetic diversity arises from processes like crossing-over and independent assortment during meiosis, along with the random union of gametes during fertilization. This diversity is crucial for the survival of species as it allows them to better adapt to changing environments and avoid the pitfalls of inbreeding.

Giant land tortoises of the Galapagos Islands have long necks as a result of natural selection, giving them a survival advantage in environments where food is scarce and positioned higher. Over time, long-necked individuals are more likely to survive and reproduce, passing on this advantageous trait.

The giant land tortoises of the Galapagos Islands and the sequoias of California possess some of the longest lifespans of any organisms on Earth. This indicates that they likely employ a strategy of natural selection, where traits beneficial for survival in their environments are passed down through generations. For the Galapagos tortoises, a notable example is the variation in neck length. Tortoises with longer necks were 'selected' in environments where food sources were higher off the ground. During droughts or in areas with sparse vegetation, these tortoises could access food that short-necked tortoises could not, thus having a better chance of survival and reproduction. Over time, the trait of having a long neck would become predominant in the population due to this selective advantage.

Answer:

polar covalent

Explanation:

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Foxes make various noises like howls, screams, and squeaks, used for communication purposes. Deer also communicate through sounds like bleats, grunts, and barks, put to use based on the situation or interaction.

The sounds that animals make vary greatly. For example, foxes produce a range of noises that include howls, barks, screams and squeaks, often described as a sound between a bark and a scream. Foxes use these diverse sounds for communication, including attracting a mate or signaling danger.

On the other hand, deer make a different variety of sounds, including bleats, grunts, and barks. A doe (female deer) often uses a gentle, drawn-out bleat to call her fawns (babies) to her side. A buck (male deer) might use a strong grunt or a light spar to communicate with other deer.

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The given statement is False.

The rock cycle is equally important to the plants, animals and human beings. Rocks, soil and minerals are very important for the plants as it gives life to other organisms on earth. Humans beings are also dependent of rocks for many of its essential purposes. Animals also use cave made of rocks as a source of shelter.

Thus, rock cycle is equally important to living organism.

Final answer:

The rock cycle is fundamental to living organisms, affecting soil fertility, climate, and the carbon cycle, and it helps in understanding life's history through fossils. The statement is indeed false.

Explanation:

The statement that the rock cycle is not important to living organisms is indeed false. The rock cycle plays a crucial role in shaping the planet's surface, providing essential minerals and nutrients for soil development, which in turn supports plant growth and the broader ecosystem. Rocks also contribute to the regulation of atmospheric gases through processes such as weathering and erosion, which impact climate and living conditions for organisms.

Rocks host fossils that help scientists understand the history of life on Earth. Moreover, the rock cycle interacts with other cycles like the carbon cycle, influencing the global carbon budget and thereby affecting all life forms that depend on carbon for their biological processes.

The rock cycle can be described as a dynamic process involving the formation, breakdown, and reformation of rocks. Through igneous, sedimentary, and metamorphic processes, rocks are continuously transformed over vast timescales, although they may seem static to the human eye.

The statement "The chaparral biome has little biodiversity and is home to only a few well-adapted species" is false.

Some Chaparral ecosystems (those with a low scrubby brush) are very similar to the desert scrub biome, but Chaparral occurs primarily on the coast.

Even though it appears to be true, it is not because of the stiff and dry environment of the desert biome. The Chaparral biome, on the other hand, receives more rainfall, which explains why there are so many distinct plant and tree species, as well as animals.

Shrubland biomes include the chaparral and savanna biomes. A biome is an ecological environment made up of numerous ecosystems that interact, exchange information, and are sometimes regarded as interdependent.

Therefore, the statement is false.

To learn more about the Chaparral biome, refer to the link:

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Sapiens is the most specific taxonomic level in the classification system as mention in the question. This is because the species are the most specific taxonomic level in classification system which indicates that the sapiens are the species that make species are most specific taxonomic level.

Eukarya is domain. Animalia is kingdom. Chordata is phylum. Mammalia is class. Primates is order. Hominidae is family. Homo is genus and sapiens is specie therefore it is described that the species are most specific.

There are taxonomic levels are explained: Kingdom, phylum, class, order, family, genus, specie.

Answer:Grad point answer 2

Explanation: