what statements describe the ecological and economic significance of the green algae? multiple select question. they are potential sources of renewable oil supplies. they can cause harmful algal blooms. they are a source of food for many aquatic animals. they are a source of food products such as carrageenan.

Answer:

b

Explanation:

Answer: The English settlers brought it over from England when they brought supplies to start a new life over

Explanation:

The correct sequence that represents structures organized from the most complex to the least complex is oak tree-leaf- guard cell- chloroplast.

A tissue is made of groups of the same kind of cells with a common structure and function.  An organ is a structure that contains at least two different types of tissue functioning together. These are called level of organization .

In plants the cells have cell wall which is the more complex , hence it is considered as most complex structure .The body of a multicellular organism, such as a tree or a cat, exhibits organization at several levels that includes tissues, organs, and organ systems .

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Answer:

bisexual

Explanation:

Heterogamous flowerheads are where the heads comprise two differing sexes of florets, examples being the ray (which are either unisexual or neuter) and disc florets (which are usually usually bisexual) belonging to the Asteraceae (Dandelion & Daisy family).

Similar characteristics that have arisen independently in unrelated species that occupy similar environments are called convergent evolution.

In evolutionаry biology, convergent evolution is the process whereby orgаnisms not closely relаted (not monophyletic), independently evolve similаr trаits аs а result of hаving to аdаpt to similаr environments or ecologicаl niches.

Structures thаt аre similаr between two orgаnisms, such аs wings of insects аnd birds, cаn be either homologous or аnаlаgous. Homologous structures evolve through divergent evolution, while аnаlogous structures result from convergent evolution.

Convergent evolution occurs when two unrelаted species fаce similаr evolutionаry pressures, cаusing them to develop similаr аdаptаtions. In other words, unrelаted species converge on similаr structures, like wings, becаuse they need similаr аdаptаtions, not becаuse they аre relаted.

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Both hormones that inhibit and those that release are produced by the posterior pituitary. The endocrine system's "master control center," the hypothalamus. Both endocrine and exocrine processes take place in the pancreas.

Anterior and posterior lobes combine to form the pituitary glands. Hormone production and release occur in the anterior lobe. Hormones are released into the bloodstream by the posterior lobe, which doesn't actually make them—the hypothalamus's nerve cells are responsible for that. Both oxytocin and vasopressin are produced by the posterior lobe. The pituitary gland receives information from the hypothalamus via nerve cells, which causes the release of these hormones. Antidiuretic hormone and vasopressin are related terms (ADH).

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amino acids we obtained in the diet about 10

Answer:

IF a high concentration of fertilizer is used, THEN orchid plants will grow best

Explanation:

The hypothesis in an experiment is the testable explanation given in support of an observer problem. It is a predictive statement that aims at proferring a possible solution to a problem or answer a question asked. The hypothesis must be able to be tested via experimentation as this is one important feature all hypotheses must possess. A hypothesis is usually written in an "IF, THEN" format.

In this question, an investigation is being carried out to know the effect of a certain amount of fertilizer on the growth of orchids in a greenhouse. A possible explanation/hypothesis will be:

IF a high concentration of fertilizer is used, THEN orchid plants will grow best.

This can be accepted or rejected depending on the outcome of the experiment.

If one strand of a dna double helix has the sequence agtactg, the sequence of the other strand will be- (d) tcatgac

The DNA is made up of two types of nitrogenous bases purines which includes adenine and guanine & pyrimidines which includes cytosine and thymine.  

The adenine is complementary to thymine and forms two H-bonds at the backbone of the DNA while guanine is complementary to cytosine and forms three H-bonds to form the DNA backbone.

The two strands of the dna are bind together by the complementary base pairing of the purines with the pyrimidine. Hence if a sequence of one dna is given its complementary sequence can be found out using complementary base pairing rule.

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Answer:

Nucleus

Explanation:

It has DNA which contains all information in the form of genes .genes are sequence of nucleotides .

The inherited condition characterized by the production of abnormally thick mucus that can interfere with air flow within the lungs is called Cystic Fibrosis.

Cystic Fibrosis is a genetic disorder that affects the respiratory, digestive, and reproductive systems. It is caused by a mutation in the gene that codes for a protein called cystic fibrosis transmembrane conductance regulator (CFTR).

This protein helps regulate the movement of salt and water in and out of cells. When the CFTR gene is mutated, it causes the production of thick, sticky mucus that can clog the airways and lead to infections, inflammation, and scarring in the lungs.

Symptoms of Cystic Fibrosis include frequent lung infections, persistent coughing, difficulty breathing, and poor weight gain. There is no cure for Cystic Fibrosis, but treatments such as antibiotics, airway clearance techniques, and nutritional support can help manage the symptoms and improve quality of life.

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Answer:

the answer is No.p <0.05 so any difference seen was not due to change

New alleles can only be produced within a population through mutation. The diversity on which survival of the fittest acts is produced by mutations.

Any modification to the DNA sequence of a cell. Mutations can occur as a result of environmental DNA-damaging agents being exposed to, or as a result of errors in cell division. Hereditary mutations include, but are not limited to, hemophilia, sickle cell disease, and genetic disorders. Further mutations may develop on their own at any time over a person's lifetime.

Modifications to your DNA's sequence are known as genetic mutations, which happen when your cells divide and make copies of themselves. Your body learns from your DNA when and how it should grow and function. Genetic mutations may cause genetic problems like cancer.

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Answer:

A in opposite direction of the membrane

Answer:

The hawk has less evolutionary steps so it evolved first

so its the hawk

The anchoring function of the root system stops the shoots from toppling over or being swept away by the wind or water.

The surface of exchange between the plant's root system and the soil is increased by their distinctive lateral elongation. The uptake of water and nutrients from the rhizosphere is the primary function of root hairs.

The buds, fruits, flowers, and leaves that make up the shoot system. The shoot system supports the structure of the plant and the leaves, as well as serving to store nutrients and water for plants.

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The correct answers are given below:

defined as a nerve column: Spinal cord

concealed by the vertebrae: Spinal cord

its largest component is the cerebrum: Brain

The intricate network of nerves, cells, and tissues called the nervous system is responsible for controlling and coordinating our body's functioning. It consists of two main parts - the central nervous system (CNS) and the peripheral nervous system (PNS).

The other answers are:

veins that extend from skin to spinal cord: Sensory neurons

10 billion and more neurons existing here: Brain

thirty-one pairs of nerves that originate from it: Spinal cord

held by the skull: Brain

spreads and gets messages from every part of the body: Nervous system

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Amoxicillin and clavulanic acid are combined to treat some bacterial infections, including those of the lungs, skin, sinuses, ears, and urinary tract. Amoxicillin belongs to a group of drugs known as penicillin-like antibiotics. It acts by preventing bacterial development.

In order to combat antibiotic resistance and increase the range of bacterial illnesses for which they are effective, clavulanic acid, a beta-lactamase inhibitor, is routinely used with amoxicillin or ticarcillin.

With the exception of a few TEM and a large number of OXA variations, clavulanic acid is a powerful, progressive inhibitor of the majority of group 2 β--lactamases.

This means that some bacterial infections, such as those of the lungs, skin, sinuses, ears, and urinary system, are treated using a combination of amoxicillin and clavulanic acid.

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Answer: Human activities are responsible for almost all of the increase in greenhouse gases in the atmosphere over the last 150 years. The largest source of greenhouse gas emissions from human activities in the United States is from burning fossil fuels for electricity, heat, and transportation.

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The main causes of the greenhouse effect, smog and acid rain are:

Greenhouse effect:

The main cause of the greenhouse effect is the increasing concentration of greenhouse gases in the atmosphere. The most important of these gases is carbon dioxide (CO2), which is mainly released when fossil fuels such as oil, coal and gas are burned.

smog:

Smog is caused by pollutants being released into the atmosphere and reacting with sunlight to form ground level ozone. The main sources of these pollutants are automobile exhaust and industrial emissions, which emit nitrogen oxides (NOx) and volatile organic compounds (VOCs).

acid rain:

Acid rain, also called acid rain, is caused by sulfur dioxide (SO2) and nitrogen oxides (NOx) being released into the atmosphere and reacting with water vapor to form sulfuric and nitric acids. The main source of these pollutants is the burning of oil and coal by industry and power plants. 

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Answer:

Covalent Bond

Explanation:

If you look for Cl on the periodic table, you'll see that it's a non-metal. Since there are 2 Cl, you have a covalent bond (two non-metals that share electrons).

The relationship between science and technology is that before technologies can exist, there has to be scientific understanding in order to create a technology (option D).

Technology is the organization and application of scientific knowledge for practical purposes.

On the other hand, science is the collective discipline of study or learning acquired through the scientific method i.e. the sum of knowledge gained from such methods and discipline.

Technology is the usage of the knowledge of science to create products for human benefit. This suggests that science must come before technology.

Therefore, the relationship between science and technology is that before technologies can exist, there has to be scientific understanding in order to create a technology.

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Part A

Answer: (A) Candida Albicans and Saccharomyces Cerevisiae

Explanation: They have the smallest difference in Cytochrome C

Part B

Answer: (B) The two species have high molecular homology

Explanation: Molecular homology means resemblances between species on the molecular level. Since the two species from the answer in Part A have the smallest difference in Cytochrome C it means they have high molecular similarities; this is due to evolving from the same common ancestor.

Answer:

0%

Explanation

all offspring will be hererozygous (Tt) it order for one of the offspring to have a long tail it would have to be (tt) and TT x tt cant make that

Answer: D is the answer

Explanation:

Answer:

The stomach, liver, lungs, and heart are examples of organs found in animals. Stems and leaves are two types of organs found in plants. In higher organisms, organs are grouped into organ systems.

Explanation:

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Actually Welcome to the Concept of the Hooke's law for elastic materials.

According to the Hooke's law,

that is

===> F = -kx

Option A.) is correct,

A.) The extension of an elastic object is directly proportional to the force added.

Answer: D

Explanation:

The benefits of social behavior are protection, foraging, reproduction, and division of labor.

Social behavior may be defined as all kinds of interactions between individuals of the same species from cooperation to antagonism.

Social behavior protects the weak or lazy individuals of the species when they are found in groups. It increases the chances of selection for reproduction.

Due to social behavior, it divides the task of labor among the members of the same species. It increases the chances of searching of food but limits the amount of food to eat.

Therefore, the benefits of social behavior are protection, foraging, reproduction, and division of labor.

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Answer: protection, foraging, reproduction, and division of labor

Explanation: