postural hypotension is the occurrence of low systolic blood pressure when a person stands up too quickly from a reclining position. a brain blood pressure lower than 90 mm of hg can cause fainting or lightheadedness. in a healthy adult, the automatic constriction and expansion of blood vessels keep the brain blood pressure constant while posture is changing, but disease or aging can weaken this response. if the blood pressure in your brain is 118 mm of hg while lying down, what would it be when you stand up if this automatic response failed? assume your brain is 40 cm from your heart and the density of blood is

Answer:

Animal

egg

plant

Flower

seed

Fruit

Explanation:

Determining the sex of a plant before flowering can be challenging, but some plants may show pre-flowers or have subtle differences in leaf characteristics that provide clues about their sex.

However, here are some general methods that can help in identifying the sex of certain plants before flowering:

1. Pre-flower examination: Some plants may exhibit pre-flowers that provide early indications of their sex. These pre-flowers are small, undeveloped structures that can be observed at the nodes of the plant. Although not all plants produce pre-flowers, for those that do, they can be a helpful clue. Male pre-flowers typically appear as small, sac-like structures with no pistil, while female pre-flowers will have small hair-like structures (stigmas) emerging from a bulbous base (pistil).

2. Leaf characteristics: In some plant species, the leaves of male and female plants may have slight differences. For example, female plants may have broader leaves with a more rounded shape, while male plants may have narrower and more pointed leaves. However, this method is not foolproof and may not apply to all plant species.

3. Genetic testing: The most accurate method to determine the sex of a plant before flowering is through genetic testing. This involves taking a sample of the plant's tissue and sending it to a laboratory for DNA analysis. Genetic testing can identify the presence of specific genes or markers associated with male or female plants, providing a definitive answer.

It's important to note that not all plants can be identified as male or female before they start flowering. Some plants are hermaphroditic, meaning they have both male and female reproductive organs within the same flower or plant. In such cases, determining the sex of the plant before flowering may not be possible.

these methods are not universally applicable, and genetic testing is the most accurate way to determine the sex of a plant before flowering.

Learn more about flowering visit:

https://brainly.com/question/887181

#SPJ11

Answer:

The Pig-nose frog

Explanation:

Personally, I find these animals creepily amazing. The pig-nose frog goes by a few names, starting with purple frog, Indian purple frog, and pig frog. It looks mostly like a blob-fish then a frog, really. "The pig frog is green or grey-green in color, with brown or black blotching. It has fully webbed feet, a sharply pointed nose, and large tympana (eardrums). It is easily mistaken for various other species of the genus Litho-bates , with which it shares its geographic range, including the American bullfrog." "The body of the purple frog appears robust and bloated and is relatively rounded compared to other more dorsoventrally-flattened frogs. Its arms and legs splay out in the standard anuran body form. Compared to other frogs, purple frogs have a small head and an unusual, pointed snout."

Answer:

Harbor seal

Harbor (common) seal

Binomial name:

Phoca vitulina Linnaeus, 1758

Explanation:

Brainliest please?

Answer: DNA

Explanation: DNA has Thymine, Guanine, Cytosine, and Adenine.

RNA has all of those except for adenine which is replaced with Uracil.

Answer:

Pancreas is Insulin is released when blood sugar levels are too high

Thymus Gland is Your immune system fight off an infection

Pineal Gland is you begin to feel sleepy after a long session

Explanation: Hope it helps :)

To investigate the influence of low soil water availability on photosynthesis, Klaus Winter and Joseph Holtum (2014) subjected a potted Clusia pratensis plant to low soil water availability.

Photosynthesis is a process by which green plants and some other organisms use sunlight to synthesize foods with the help of carbon dioxide and water. The Clusia pratensis is a tree species that is native to tropical regions of South America. It is an important source of food and water for animals in these regions. In a study conducted by Klaus Winter and Joseph Holtum (2014), they subjected a potted Clusia pratensis plant to low soil water availability to investigate the influence of low soil water availability on photosynthesis.

Photosynthesis is a process that requires water, carbon dioxide, and sunlight to produce glucose. The glucose is then converted into energy that is used by the plant. In low soil water availability conditions, the plant may not have enough water to undergo photosynthesis. This can lead to a decrease in the plant's growth rate and productivity.In conclusion, low soil water availability can have a negative effect on photosynthesis and plant productivity. The study conducted by Klaus Winter and Joseph Holtum (2014) on a potted Clusia pratensis plant is a good example of this.

To learn more about photosynthesis visit:

https://brainly.com/question/10279354

#SPJ11

Answer:

c

Explanation:

parasitism is when only one benefits off of the relationship

Answer:

C

Explanation:

c. Parasitism

Answer:

Before it can be taken into the atmosphere nitrates no3 the ammonification process will make this happen.

Answer:

26

Explanation:

(17-6/2) + 4 x3 = 17 - 3 + 4x3 = 14 + 4x3 = 14 + 12 = 26

The majority of bacteria are heterotrophic decomposers, which means they consume dead stuff and rely on other species for nutrition.

Decomposers are organisms that disintegrate rotting or dead species; they carry out decomposition, a process only some kingdoms, like fungi, are capable of. Decomposers, like herbivores and predators, are heterotrophic, which means that they obtain their energy, carbon, and growth-supporting nutrients from organic substrates. Detritivores consume and digest dead matter inside, whereas decomposers directly absorb nutrients by external chemical and biological processes, despite the fact that the terms decomposer and detritivore are sometimes used interchangeably. Because they can't absorb nutrients from the environment, invertebrates like earthworms, woodlice, and sea cucumbers are technically detritivores rather than decomposers.

Learn more about the decomposers here:

https://brainly.com/question/380333

#SPJ4

The size of a DNA piece connects with its speed of entry through the agarose gel smaller fragments move through the gel faster.

The lengths of the molecules are inversely proportional to how quickly they move through the gel's pores. This demonstrates that a more modest DNA section will travel through the gel farther than a bigger DNA piece. To put it another way, a smaller DNA fragment travels a greater distance over a gel.

DNA molecules are spaced out in an agarose gel in such a way that the distance traveled is inversely proportional to the log of its molecular weight because of its uniform mass-to-charge ratio.

Since all DNA parts have a similar measure of charge per mass, little sections travel through the gel more quicker than enormous ones.

To learn more about DNA here

https://brainly.com/question/264225

#SPJ4

You are implementing a biological IPM strategy using apple maggot traps that attract and catch adult maggots with bait to decrease their population without using harmful chemicals.

Integrated Pest Management (IPM) is an efficient and environmentally sensitive strategy to pest management that depends on a combination of sensible practices. IPM systems make use of up-to-date, thorough data on pest life cycles and how they interact with the environment.

IPM's guiding ideas include: Before taking any action, identify the pests, their hosts, and any helpful creatures. Establish monitoring standards for each pest species. Identify the pest's action level.

To know more about Integrated Pest Management visit :

https://brainly.com/question/30417850

#SPJ1

Answer:

Explanation:

According to reports, a representative from a meat processing plant will travel to China shortly to negotiate a deal to export cane toads for human consumption.

The company claims that the venom of the vilified animal is highly valued in the Asian country for its qualities as a medicinal treatment.

But in Australia, where there are an estimated 200 million specimens of the animal, it has become a major threat to native wildlife.

The poison of the cane toad, Rhinella marina, also known as the marine toad, contains toxins that in traditional Chinese medicine are used as a cardiac stimulant and as a diuretic, and is used for remedies against sinusitis and toothache.

The skin and organs of the animal are also believed to possess powerful therapeutic qualities.

As John Burey, a businessman from the northern Australian state of Queensland told the BBC, although in the country these animals are decimating wild populations, in China there is a great demand for exports of live toads, both for the amphibian meat as well as the healing properties of its venom.

Answer:

1

Explanation:

Answer:

I'm pretty sure it's the two different types of wings

Explanation:

I took the test and it said it was the bee wing but not the crab claw

Nitrogen is present in all of the options listed except for monosaccharides. Thus, correct option is (E).

A crucial component of biological compounds is nitrogen. Nitrogen is a component of proteins, nucleic acids (DNA and RNA), amino acids (which serve as the building blocks for proteins), and DNA. Amino acids, which make up proteins, contain nitrogen as a necessary part of their structure.

Adenine, cytosine, guanine, and thymine/uracil are nitrogenous bases that are essential for the operation of nucleic acids, including DNA. Monosaccharides, simple sugars and the fundamental unit of carbohydrates, do not, however, include nitrogen. Instead, the majority of their atoms are made up of carbon, hydrogen, and oxygen.

To know more about Nitrogen here https://brainly.com/question/11483365

#SPJ4

​An example of synchondrosis is the joint between the epiphyses and the diaphysis of a long bone.

A synchondrosis, which means "connected by cartilage," is a cartilaginous junction where the bone and hyaline cartilage are bonded or fused together. Both permanent and transitory synchondroses are possible. The epiphyseal plate (growth plate) of a developing long bone is a transient synchondrosis.

Primary cartilaginous joints known as synchondroses (plural: synchondrosis) are primarily found in the developing skeleton, albeit a small number also persist in the mature skeleton as typical structures or as variations. Early support for the developing brain is provided by the synchondroses that form in the skull between the occipital, temporal, sphenoid, and ethmoid bones of the developing chondrocranium.

To know more about synchondrosis refer to: https://brainly.com/question/15188583

#SPJ4

Answer:

It helps in breathing for insect .

Explanation:

A spiracle is an opening found on the outside of an insect's exoskeleton that is used for breathing. There are numerous spiracles on the body of an insect, typically paired and present on the thorax and abdomen.

Answer:

A spiracle is an opening found on the outside of an insect's exoskeleton that is used for breathing. There are numerous spiracles on the body of an insect, typically paired and present on the thorax and abdomen. ... Hairs keep dust from entering the spiracle. A spiracle leads to a trachea, or air tube.

Explanation:

Answer:

Domain

Explanation:

A domain is the most inclusive of the levels

The nerve of the lower leg and feet is also called the anterior tibial nerve is A) deep peroneal nerve. The option A is correct.

The anterior tibial nerve is a branch of the sciatic nerve and it runs down the front of the leg. It is responsible for providing sensation to the skin of the front of the leg and foot as well as motor function to the muscles that allow the foot to dorsiflex and the toes to extend. The deep peroneal nerve also runs down the front of the leg alongside the anterior tibial nerve and is responsible for providing motor function to the muscles that allow the foot to dorsiflex and the toes to extend.

The musculocutaneous nerve is a nerve of the upper arm that innervates the biceps brachii muscle and provides sensation to the skin of the lateral forearm. The saphenous nerve is a branch of the femoral nerve and provides sensation to the skin on the medial side of the leg and foot.

The common peroneal nerve is a branch of the sciatic nerve and runs down the lateral side of the leg, providing motor function to the muscles that allow the foot to evert and sensory function to the skin on the lateral side of the leg and foot.

To know more about dorsiflex

https://brainly.com/question/30588596

#SPJ11

The capacity to respond in a similar way to similar stimuli is known as stimulus generalization.

Stimulus generalization refers to the tendency for stimuli that are similar to the original stimulus to also elicit a similar response. This can occur in a variety of situations, such as when a person learns to fear a specific object or situation and then experiences fear in response to similar stimuli. Overall, stimulus generalization plays an important role in how we learn and respond to the world around us. Stimulus generalization is a process in which a conditioned response is elicited by stimuli that are similar but not identical to the original conditioned stimulus. In other words, it refers to the tendency of a learned response to occur in the presence of stimuli that are similar to, but not identical to, the original stimulus.

To know more about stimuli visit :-

https://brainly.com/question/30714457

#SPJ11

Answer: Taxonomy and Genus

Explanation:

Taxonomy is : the practice of naming and classifying organisms.

Genus is : a level of classification that contains similar species/ which was a taxon used to group similar species

Answer:

To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight

Explanation:

I hope this helps :)

Answer:

The CFTR gene provides instructions for making a protein called the cystic fibrosis transmembrane conductance regulator. This protein functions as a channel across the membrane of cells that produce mucus, sweat, saliva, tears, and digestive enzymes.

HOPE THIS HELPS