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7. Distinguish among asymmetry, radial symmetry, and bilateral symmetry.

8. Define cephalization. What is its relationship to bilateral symmetry?

Answer:

Digestion

Explanation:

The body digest the food down through the mouth to the anus

some enzymes also act on the food for easy digestion

Answer:

When new bonds form, energy is 'released'

Answer:

7-10 percent of body weight must be lost due to dehydration before delirium, exhaustion, and collapse occur.

Explanation:

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Answer:

to propel itself through its environment and to attach itself to a variety of structures

Explanation:

I took the quiz(-.-)

Rotifers foot is transformed into a variety of structure for moving and swimming and attach itself to a different structure, hence option d is correct.

Some rotifers are really planktonic and free-swimming, while others travel around a substrate via inchworming, and some are sessile and reside inside tubes or gelatinous holdfasts.

About 25 species are sessile or planktonic, colonial (such as Sinantherina semibullata), and some rotifer species have evolved four moveable toes that are equipped with pedal glands to facilitate swimming and crawling.

Rotifers swiftly colonize new environments and transform primary production (algae and cyanobacteria) into a form that is secondary consumers.

Therefore foot of the rotifers is changed into a different structure for movement is attach itself to a variety of structures, hence option d is correct.

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Answer:

"DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. A DNA sample taken from a crime scene is compared with a DNA sample from a suspect. If the two DNA profiles are a match, then the evidence came from that suspect." information from a website so reword it a bit and you should be ok.

In the process of genetic profiling/ data fingerprinting, genetic profiling is a process that can be compared between two people/samples.

DNA profiling compares only the most variable sections of DNA, which has an advantage over whole genome sequencing when seeking to identify genetic changes between two individuals.

In the field of biology known as comparative genomics, genome sequences from various species—including humans, mice, and a broad variety of other organisms—from bacteria to chimpanzees are compared.

"DNA fingerprinting is a lab method used to connect biological evidence to a defendant in a criminal investigation. A DNA sample from a suspect is compared to one acquired from a crime scene. The evidence originated from that suspect if the two DNA profiles match.

Therefore, genetic profiling is compared between two people/samples.

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Answer:

when blood is pumped out of the heart into the arteries.

Explanation:

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Answer:

just use the formula d=m/v and plug in the numbers to solve the equation

Explanation:

Answer:

1. generation or birth or gender) is a basic unit of heredity and a sequence of nucleotides in DNA that encodes the synthesis of a gene product, either RNA or protein.

2: 1. Body cells make up the body of any multicellular organism. On the other hand, a gamete is a sex cell that can either be a sperm or egg cell.

2. Body cells undergo the process of mitosis while gametes undergo a process called meiosis.

3. A body cell contains a complete number of chromosomes and is called a diploid cell while a gamete contains only half the number of chromosomes of its parent cell, and it is called a haploid cell.

3. Identical twins

4. nucleotide triplets

5. A gene is a sequence of nucleotide bases that specifies certain products; RNA or proteins. It is the segment of DNA that holds the information to build and maintain an organism's cell and also pass genetic traits to offspring. Hence, it is the molecular unit of heredity in living organisms.

The DNA is a long double-helical structure that stores the genetic information in our cells. It consists of two long polynucleotide chains composed of the four nucleotides subunits (A, C, G, T).

In order for the long strand of DNA to fit into the cell's nucleus, it is coiled around certain proteins called HISTONES to form Chromatin, which undergoes further coiling and organization to to linear CHROMOSOMES.

The chromosomes are structured within the nucleus, that are made up of the cell's genetic material (DNA). In eukaryotic cells, the nucleus houses the cell's DNA and directs protein synthesis (expression of the information encoded by genes).

Explanation:

Answer:

50% liquid and 50% protien by wieght

Fucus shows the diplontic life-cylic.

Both the male and female fuse in the ostiole of the bump.

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Answer:

Three types of observational studies include cohort studies, case-control studies, and cross-sectional studies

Fruitflies are advantageous in the study of human genes and inheritance because they reproduce quickly and take up little space.

Fruitflies are usually a subject for the study of human genes and inheritance for some reasons:

The quick rate of reproduction makes fruitflies good subjects for studying mutation as well.

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They reproduce quickly and take up little space.

Fruit flies (Drosophila melanogaster) are advantageous in the study of human inheritance because they have several characteristics that make them well-suited for genetic research. One key advantage is their rapid reproductive cycle, with a generation time of about two weeks. This allows researchers to observe multiple generations in a short period, accelerating the study of inheritance patterns and genetic traits.

Additionally, fruit flies have a relatively small size, making it feasible to maintain large populations in a laboratory setting without requiring excessive space or resources. This allows for efficient experimental design and the ability to conduct large-scale genetic studies.

While fruit flies share some genetic similarities with humans, they are not identical to humans. However, their genetic and developmental processes have enough similarities to provide valuable insights into fundamental principles of inheritance and gene function, which can inform our understanding of human genetics.

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Answer:

Carbon dioxide and water

Explanation:

plants prepare their food in presence of these molecules to produce sugar and oxygen which we required for survive

Answer: D

Explanation: the cell theory took many years to fully learn about and publish and many different scientists, biologists etc had to investigate in order to finalise the hypothesis. Also, it was first identified in 1665 by Robert hooke.

Answer:

Explanation:

Injuries to the upper brachial plexus (C5, C6) affect muscles of the shoulder and elbow.

Answer:

b. Prostatic hyperplasia

Explanation:is correct

Answer:

the first blank is biodiversity. I think like that

The place where a group of organisms lives is called the habitat. The combination of the community and habitat is called the ecosystem.

An ecosystem is basically the neighborhood where animal lives. The habitat is the animal's address in that neighborhood. Some animals can survive in more than one habitat. Other animals are limited to certain habitats. For example, moose habitat is more specific than gray squirrel habit.

Moreover, ecosystem is defined as the interrelationships between the biotic and abiotic component of the environment. Whereas habitat is defined as the natural environment in which a particular species of plants and animals lives.

Therefore, a habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce.

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Answer:

All of the above is the correct answer

Explanation:

Answer:

Nutrition

Explanation:

Answer:

floods are the water problem

Answer:

1. Treat acne on the head with benzoyl peroxide

2. Use salicylic acid to clear pores

3. Use AHA to treat acne on the head

4. Cleanse the scalp with sulfur

5. Use a retinoid to apply to acne spots

Explanation:

Answer:

When a stimulus is detected by a sensory receptor, it can elicit a reflex via stimulus transduction.

Answer:

b. is correct Epiglottis

Explanation: post protected

Answer:

As the prey population increases, there is more food for predators. So, after a slight lag, the predator population increases as well. As the number of predators increases, more prey are captured.

Explanation:

Answer:

Chromatin condensation begins during prophase (2) and chromosomes become visible. Chromosomes remain condensed throughout the various stages of mitosis (2-5). ... However, when eukaryotic cells are not dividing — a stage called interphase — the chromatin within their chromosomes is less tightly packed.

Explanation:

Because each chromosome is made from a single molecule of 'DNA', before a cell divides itself, it had to replicate and copy its DNA. This makes it so that after cell division, each new cell holds an exact copy of the genetic material from the original cell.

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