19. How did the evolution of the jaw contribute to diversification of early vertebrate lineages? A) It allowed for smaller body size.
B) It was the first stage in the development of a bony skull.
C) It made additional food sources available.
D) It increased the surface area for respiration and feeding.

period and amplitude

Explanation:

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Answer:

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The central idea of "Boats and Beyond" is the diverse uses and benefits of boats, from transportation to recreation, and their significance in human history and culture.

The text features that support the central idea include the use of descriptive language and imagery, such as the description of boats as "floating works of art" and the mention of their various shapes and sizes. The text also includes factual information, such as the history of boatbuilding and the economic importance of boats in coastal communities.

The text structure elements that support the central idea include the use of headings and subheadings, which break the text into sections and highlight different aspects of the topic. The text also uses chronological order to discuss the history of boats, starting with early boats made from reeds and progressing to modern-day boats made from high-tech materials.

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The complete question is:

Text Structure and Features: "Boats and Beyond" Assignment

Directions: Read the text "Boats and Beyond. " Identify the central idea. Then, identify the text features and text structure elements that support the central idea of the text

Answer:

Cell membrane controls the substances that go in and out of the cell.

Cell wall keeps cell tugid and strong.

Flower petals often exhibit a radial or rotational symmetry pattern. This means that they can be divided into equal halves by multiple lines passing through the center, and the resulting sections will be identical or near-identical in shape and size. This type of symmetry is also known as actinomorphic or regular symmetry.

However, there are also flowers that have an irregular or asymmetrical pattern, meaning they cannot be divided into identical parts. An example of a flower with asymmetrical petals is the orchid. These flowers often have distinct shapes and patterns that are important for attracting and guiding specific pollinators.

Answer:

D

Explanation:

This is because the atmosphere is refreshable and makes breathing so conducive.

Answer:

answer is c

Explanation:

cuz atomic size increases

Answer:a

Explanation:

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Stains are made of different types of molecules, a range of enzymes are needed to break them down. ... Proteases break down proteins, so are good for blood, egg, gravy, and other protein stains. Amylases break down starches, and lipases break down fats and grease.Nov 15, 2007

The given statement "Coelacanths and the earliest amphibians share a common ancestor" is true and, Coelacanths is also known as a concestor.

The coelacanth is a type of lobe-finned fish that is often considered a living fossil due to its close resemblance to ancient fish species. It is believed that coelacanths and the earliest amphibians diverged from a common ancestor during the evolution of vertebrates.

Both coelacanths and amphibians belong to the larger group of vertebrates known as sarcopterygians, which includes organisms with fleshy, lobed fins. The shared ancestry between coelacanths and early amphibians is evidence of their evolutionary relationship.

Lobe-finned fish, such as the coelacanth, are a group of fish characterized by their fleshy, lobed fins supported by a series of bones. They are considered to be closely related to early tetrapods, the ancestors of land vertebrates.

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Answer: Algae

Explanation:

Algae

Algae are grouped in the kingdom Plantae. The unicellular blue-green algae are kept under the kingdom Protista

Fungi

In the five-kingdom classification by Whittaker, fungi were placed in a separate kingdom Fungi

Answer:

Why is the dust from the Sahara beneficial to the Amazon Rainforest?

The dust from the Sahara contains essential nutrients such as phosphorous, nitrogen, and iron that are essential for plant growth. These nutrients help to fertilize the soil of the Amazon rainforest and promote the growth of vegetation.

Why is the soil in the Amazon rainforest nutrient poor?

The soil in the Amazon rainforest is nutrient-poor due to the high rainfall that leaches nutrients from the soil. The nutrients in the soil are rapidly taken up by plants and are not replenished, leading to nutrient depletion over time.

How can climate change impact the relationship between the Amazon Rainforest and the Sahara desert?

Climate change can impact the relationship between the Amazon rainforest and the Sahara desert in various ways. It can lead to changes in precipitation patterns, which can affect the amount of dust transported from the Sahara to the Amazon. Climate change can also cause droughts in the Sahara, reducing the amount of dust transported, and negatively impacting the fertility of the Amazon rainforest.

Explain why a “Greening of the Sahara Desert” can be bad for the Amazon Rainforest.

A "Greening of the Sahara Desert" can be bad for the Amazon rainforest because it would reduce the amount of dust transported from the Sahara to the Amazon. The dust contains essential nutrients that fertilize the soil of the Amazon rainforest. If the Sahara becomes greener, less dust will be generated, and the fertility of the Amazon rainforest will decrease. Additionally, if the Sahara becomes greener, it could lead to increased evapotranspiration, reducing moisture transport from the Atlantic to the Amazon basin, potentially leading to a decrease in rainfall and negatively impacting the rainforest's ecosystem.

Answer:

yes. For YOUR Photo numbers the following are correct

1. Corpus Callosum

2. Thalamus

3. Hypothalamus

4. Pituitary Gland

5. Pons

6. Medulla Oblongata

7. Spinal Cord

8. Cerebellum

9. Arbor Vitae

Explanation:

The parts of the brain can be labelled as 1. Corpus Callosum, 2. Thalamus, 3. Hypothalamus, 4. Pituitary Gland, 5. Pons, 6. Medulla Oblongata, 7. Spinal Cord, 8. Cerebellum and 9. Arbor Vitae

In all vertebrate animals, as well as the majority of invertebrate ones, the brain functions as the hub of the nervous system. It is situated inside the head, typically adjacent to the sensory structures that support senses like vision.

These neurons responding to emails with one another through the use of continuous strands called axons, which send action potential trains to distant regions of the brain or body, where they target certain recipient cells. The parts of the brain can be labelled as 1. Corpus Callosum, 2. Thalamus, 3. Hypothalamus, 4. Pituitary Gland, 5. Pons, 6. Medulla Oblongata, 7. Spinal Cord, 8. Cerebellum and 9. Arbor Vitae

Therefore, the parts of the brain can be labelled as 1. Corpus Callosum, 2. Thalamus, 3. Hypothalamus, 4. Pituitary Gland, 5. Pons, 6. Medulla Oblongata, 7. Spinal Cord, 8. Cerebellum and 9. Arbor Vitae

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Glucose and oxygen which can be used by the animals while on the other hand, carbondioxide gas is used by the plant.

Products of photosynthesis are glucose and oxygen which can be used by the animals in the process of cellular respiration while on the other hand, carbondioxide gas is the product of cellular respiration which can be used by the plant for making their own food during the process of photosynthesis.

If we had seaweed living in an aquarium with water, and we added BTB indicator, it shows blue color because there is less amount of carbondioxide gas which is responsible for the formation of carbonic acid. The reason behind little amount of carbondioxide gas is the process of photosynthesis done by seaweed.

Lower concentration of carbondioxide provides us information that seaweed is doing photosynthesis. If we had a fish living in an aquarium with water, and we added BTB indicator, we expect yellow colour because carbondioxide gas is added to the water by the respiration process of the fish.

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Answer:

C.  Concentration gradient

Answer:

this statement does not make sense to me, but ok.

Explanation:

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Answer:

you neeed everyone to be healthy before you state that everyones healthy

Explanation:

Answer:

The energy the food first comes from is the sun.

Explanation:

It is the process of photosynthesis that locks the Sun's energy into simple carbohydrates like glucose.

Explanation:

Carrying capacity refers to the maximum number of individuals of a certain species an environment can maintain in the long-term.

Factors that will determine carrying capacity include amount of water available in the environment, geographic size of environment, energy sources available, and so forth.

The image below shows the general idea of carrying capacity and population size:

The reality is often not so simple, as populations can overshoot their carrying capacity. When this happens, it takes some time for the population numbers to decrease. Thus, graphs more realistically resemble the one below:

Over time and with no disturbances, the population will generally max out at the carrying capacity. It is also important to remember that environments may not be unchanging, especially in certain time scales. For example, an increase in rainfall one year may mean that there is far more standing water available in the environment. Thus, mosquito populations will temporarily increase as the carrying capacity for them allows for higher numbers.

Answer:

To summarize, two things determine the traits an organism has: its genotype and the dominance or recessiveness of the alleles it has. Some traits, like flower color in peas, are controlled by a single gene, but ultimately many if not most traits in an organism are controlled by more than one gene

Explanation:

Some proteins need numerous amino acid chains to interact and fold properly. The quaternary structure is what we refer to as.

What is an amino acid?

Functional groups of amino acids and carboxylic acids are found in organic compounds called amino acids. Of the many different amino acids found in nature, alpha-amino acids, the building blocks of proteins, are by far the most important. There are only 22 alpha amino acids in the genetic code. Many tertiary structures are distributed in space to form a quaternary structure. Some proteins contain two or more subunits of the polypeptide chain as building blocks. The spatial arrangement of these elements in relation to one another is called the quaternary structure.

So the correct answer is the quaternary structure.

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To obtain DNA from a crime scene or an individual, the key requirement is cells.

Clothing fibers, fingerprints, and pedigree analysis are not directly related to the collection or extraction of DNA. DNA, the genetic material, is contained within cells of an individual's body.

Therefore, to obtain DNA, one needs a sample that contains viable cells. This can include various biological materials like blood, saliva, hair follicles with the root, skin cells, or semen.

These samples are collected using appropriate forensic techniques and then subjected to DNA extraction processes to isolate and analyze the genetic material.

Through DNA analysis, forensic investigators can establish links between individuals, identify suspects, or provide evidence in criminal investigations.

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Answer:

It's D

Explanation:

:)

Answer:

the birds not flying there

Explanation:

The list of factors that limit the carrying capacity of a species include the following: Food supply Habitat space Therefore the correct option is option B.

Carrying capacity refers to the maximum number of individuals of a species that a given environment can support. It is a measure of the sustainability of an ecosystem because it determines the size of a population that can be maintained in a given area without harming the environment.

Factors that limit the carrying capacity of a species include food supply and habitat space. Carrying capacity is an important concept in ecology because it helps us to understand how different species interact with each other and the environment.

It also helps us to predict how changes to an ecosystem, such as climate change or deforestation, will affect different species and their ability to survive.

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The cause of memory loss and partial paralysis is likely due to a syndrome. Metabolically speaking, the cause is likely that the malfunctioning enzyme has lost affinity for a cofactor. The correct answer is option a.

This can result in a decrease in the enzyme's activity, which can have detrimental effects on various metabolic pathways.

The other options presented in the question are not likely to be the cause of the syndrome.

If the enzyme has lost affinity for its substrate, it may have a decreased ability to convert the substrate to the product. However, this would not necessarily lead to the given symptoms.

If the enzyme is absent from the patient, it would result in a complete loss of activity for the enzyme, which may have more severe effects than the given symptoms. If the enzyme has gained affinity for its substrate, it may result in an increase in activity.

However, this is unlikely to be the cause of the given symptoms.

The correct answer is option a.

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Complete question

A patient presents with memory loss and partial paralysis. There is a syndrome with these symptoms. Metabolically speaking, what is the cause of this?

a. The malfunctioning enzyme has lost affinity for a cofactor.

b. The malfunctioning enzyme has lost affinity for its substrate.

c. The malfunctioning enzyme is absent from the patient.

d. The malfunctioning enzyme has gained affinity for its substrate