Answer:
D. All of the above.
Since the population numbers change at a predictable rate, its stable. If it was unstable, it would be an unpredictable rate and the rate would be all wacky. Same goes for the energy flow. Since the rate is constant, its stable. Because the supply of resources has a predictable rate, it's stable. Again, if it was unpredictable, it would be unstable :) hope this helps!
What makes fingerprints individual? How do scientists match a fingerprint to a specific person?
Answer:
ridge characteristics, which are ridge endings, enclosures and other details. Identical fingerprints not only show the same ridge characteristics, but they show them in the same location on the finger.
Explanation:
Height in humans generally shows a normal (bell-shaped) distribution. What type of inheritance most likely determines height
Answer:
polygenic inheritance
Explanation:
Which chamber of the heart directly receives oxygenated blood from the lungs?.
Answer:
left atrium is the correct answer
What structure is similar to the endoplasmic reticulum.
Answer:
The sarcoplasmic reticulum ( SR) is a membrane -bound structure found within muscle cells that is similar to the smooth endoplasmic reticulum in other cells. The main function of the SR is to store calcium ions (Ca 2+ ).
Explanation:
Which type or types of RNA contain a copy of the instructions that a gene carries
Which type of types of RNA contain a copy of the instructions that a gene carries
· 1. mRNA only
What do we call the first organism in any food chain to get energy directly from a producer?.
The primary consumer is the first organism in any food chain to get energy directly from a producer.
What are primary consumers?Primary consumers are the set of organisms that dey direct energy from the producers which are grass. They are called herbivores because they feed on plants. Examples of herbivores or primary consumer are sheep,goat, cattle and so on. They get their direct energy from plants.
Therefore, The primary consumer is the first organism in any food chain to get energy directly from a producer.
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Answer: It’s Producers, also known as autotrophs, make their own food. They make up the first level of every food chain. Autotrophs are usually plants or one-celled organisms.
Explanation:
Both parents have one copy of a dominant allele for Gene 87 and one recessive allele for Gene 87. What is the chance that their children will inherit the recessive condition (i.e., two copies of Gene 87)
Mushroom, yeast, penicillian and bread mould are common example of fungi . Suggest the importance of each of them to human beings.
Answer:
See below ↓↓↓↓
Explanation:
Mushroom
They are also used for bioremediation, or cleaning up the environment. They’re able to break down oil and other environmental contaminants. Fungus can also help to make better compost.Yeast
In food manufacture, yeast is used to cause fermentation and leavening. The fungi feed on sugars, producing alcohol (ethanol) and carbon dioxide.Penicillin
Penicillin is an antibiotic used to treat certain types of bacterial infectionsBread mould
The molds that grow in your mold feed on the bread, cheese, and other foods. A mold produces chemicals that make the food break down and start to rot.Help me!!! 30 POINTS
Answer:
12.5 m/s
Explanation:
Total distance traveled = 500m
Time car was moving = 40s
Avg speed in m/s = 500/40 = 12.5 m/s
Hope this helps!
Of the 2. 5% fresh water found on earth, how much of it is frozen in polar ice?.
A heron is affected by many factors in its environment. What distinguishes the biotic factors from the abiotic factors
Answer:
Biotic factors are living -- fungi, animals, plants, etc.
Abiotic factors are nonliving -- weather, water, rocks, etc.
Explanation:
How does an increase in a deer population that feeds on plants affect the animals and plants in a certain environment
Extinctions that occur at a moderate rate and continuously open a limited number of opportunities for the origin of new species and new niches are known as __________ extinctions
Extinctions that occur at a moderate rate and open a limited number of opportunities for the origin of new species are known as background extinctions.
What are background extinctions?Extinction is the physical disappearance of one given species and/or population in an ecosystem.
The term 'background extinctions' makes reference to the extinction that does not generate new niches in an ecosystem.
Background extinctions are well known because they do not contribute to the emergence of biodiversity.
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Which type of cell division creates haploid cells?.
Answer:
meiosis
Explanation:
Place the steps of meiosis l and lol into the correct order from top to bottom
anaphase l, telophase l, cytokinesis, metaphase ll, telophase ll , prophase l, metaphase l, interphase,anaphase ll
sources of food stuff in animal nutrition
Answer: Animal source foods include many food items that come from an animal source such as fish, meat, milk, eggs, honey, cheese and yogurt.
Explanation:
Which biologic agent consists of protein-coated ribonucleic acid (RNA) or deoxyribonucleic acid (DNA) and requires a host cell
Answer:
Virus
Explanation:
A virus is a small collection of genetic code, either DNA or RNA, surrounded by a protein coat. A virus cannot replicate alone. Viruses must infect cells and use components of the host cell to make copies of themselves.
The relaxation of skeletal muscle relies on the activity of the ________, which decreases cytoplasmic calcium concentration.
Answer:
biologic capsules
Explanation:
Are oomecytes harmful to humans?
Answer:
Human diseases caused by fungi include valley fever and several infections common to AIDS patients. In addition, in water environments, oomycetes cause destructive diseases in people and animals. For example, they attack the legs, eyes, and brains of rice farmers in Southeast Asia, and they destroy spawning salmon
Explanation:
What do geologists think happened during the last ice age? A. The Siberian land bridge was covered in water B. Glaciers retreated worldwide C. A mass extinction occurred D. Sea levels dropped 300 feet
Answer:
D
Explanation:
Just got it right on my quiz :)
Geologists believe that during the last ice age, glaciers advanced and retreated worldwide, resulting in changes in sea levels and climate. So, the correct option is B.
Who are Geologists?Geologists are scientists who study the Earth, its composition, structure, processes, and history.
During the last ice age, which lasted from about 115,000 to 11,700 years ago, Earth's climate was much colder than it is today. Geologists believe that a variety of factors contributed to the ice age, including changes in Earth's orbit, atmospheric composition, and plate tectonics.
One major feature of the last ice age was the formation of massive ice sheets and glaciers, which covered much of the Northern Hemisphere. These ice sheets were up to 3 miles thick and covered Canada, Greenland, and parts of the northern United States and Europe. As a result, sea levels dropped by as much as 300 feet, exposing land bridges between continents and allowing humans and animals to migrate across them.
Another feature of the last ice age was the occurrence of periodic "ice ages within an ice age" known as stadials. During these stadials, temperatures in some regions of the world dropped by as much as 20 degrees Celsius, leading to widespread glaciation, droughts, and other environmental changes.
Overall, the last ice age was a complex and multifaceted period in Earth's history, and scientists continue to study it to better understand the mechanisms that drive climate change on our planet.
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conclusion for air pollution
Which diploid cells are produced by an embryonic germ cell?.
1. What is DNA?
2. how are nitrogen bases arranged in a DNA molecule?
3. what determines the inherited of an organism
4. what determines the inherited traits of an organism
5. how is RNA different from DNA
Answer:
1. a self-replicating material that is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.
2. is the pic
3. Genes Have Alleles
The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Animals have two copies of all their chromosomes, one from each parent.
4. There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.
What stage of meiosis is the picture attached showing? How do you know?
Answer:
Metaphase
Explanation:
spindle fibers attach to the chromosomes which line up along the the cell's mid planechromosomes align at the equatorIn binomial nomenclature the first name is the _______ and the second is the ________.
Answer:
specific epithet.
Explanation: The binomial nomenclature system combines two names into one to give all species unique scientific names. The first part of a scientific name is called the genus. The second part of a species name is the specific epithet.
Answer:
In the binomial nomenclature the first name is called the genus and the second is called the specific epithet.
Explanation:
What is the difference between plants breathing and photosynthesis?
The principal difference, however, between photosynthesis and respiration (plants breathing is called respiration) is that photosynthesis utilizes carbon dioxide and water in the presence of light to produce glucose and oxygen, whereas respiration uses oxygen and glucose to power the activities of the cell.
hope it helps...!!!
Which best describes the lower body structures of humans and chimpanzees?.
The statement that best describes the lower body structures of humans and chimpanzees is that the big toes of humans and chimpanzees are enlarged.
What is the lower body structure?The lower body structure is defined as the lower extremities of a vertebrae that is distal to the upper extremities.
The first toes of both human and chimpanzees are enlarged because they are mammals sharing a similar specie.
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The erythrocyte (red blood cell) count increases after a while when an individual goes from a low to a high altitude because the ________.
The erythrocyte count increases after a while when an individual goes from a low to a high altitude because the concentration of oxygen is lower at high altitudes.
What are erythrocytes?The erythrocytes are specialized red blood cells required to transport oxygen to all cells in the body.
This oxygen is fundamental for carrying out the process of cellular respiration by means of cells and tissues.
The amount of red blood cells in the bloodstream is dependent on the altitude at which the person lives.
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other than co2 and water, state two conditions necessary for the synthesis of glucose in plants
Answer:
Sunlight and Chlorophyll
Explanation:
An examination of a marine sea star that had died after it was mistakenly placed in fresh water would likely show that it died because ________.
An examination of a marine sea star that had died after it was mistakenly placed in freshwater would likely show that it died because it was so hypertonic to the freshwater that it could not osmoregulate
Hope that helps!