Which of the following factors affecting population growth is density
independent?
A. Competition
B. Disease
C. Natural disaster
D. Predation
Answers
C. Natural disaster is a density-independent factor affecting population growth. Density-independent factors are those that affect the population irrespective of the population size or density.
How Natural disasters reduce population sizes?Natural disasters such as floods, hurricanes, earthquakes, and wildfires can reduce population sizes regardless of how many individuals were present in the population before the disaster occurred. The other factors listed - competition, disease, and predation - are all density-dependent factors, which means that they become more significant as the population size or density increases.
Competition is an example of a density-dependent factor, as it increases as the population size increases. As more individuals compete for limited resources such as food, water, and shelter, the rate of population growth slows down.
Disease is another density-dependent factor, as it spreads more easily in crowded populations where individuals are in close contact with one another.
On the other hand, natural disasters such as floods, hurricanes, and wildfires are examples of density-independent factors. These events can affect a population regardless of its size, and they can cause significant decreases in population size.
Predation can be both a density-dependent and density-independent factor. In some cases, predation can increase as the population size increases, making it a density-dependent factor. However, predators can also reduce the population size through random hunting or selective hunting of weaker individuals, making it a density-independent factor.
Understanding the factors that affect population growth is important for predicting and managing population sizes in both natural and human-made ecosystems.
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Related Questions
Which of the following is not one of planes and sections of body orientation?
Answers
Answer:
They are the median plane, sagittal planes, coronal (frontal) planes and horizontal (transverse) planes
The characteristics of certain cell divisions are described in the following table.
Cell Division Characteristics
Characteristic Description
1 Takes place in skin cells
2 Forms cells that are identical to parent cell
Which type(s) of cell division do the two characteristics represent?
Both characteristics represent meiosis.
Both characteristics represent mitosis.
Characteristic 1 represents meiosis and characteristic 2 represents mitosis.
Characteristic 1 represents mitosis and characteristic 2 represents meiosis.
Answers
Answer:
both characteristic represent mitosis
The characteristics of certain cell divisions are described in the following table, the two characteristics represent is both characteristics represent mitosis.
What is mitosis easy definition?Mitosis is a Method in which a single cell divides into two identical daughter cells (cell division).
In this cell divides once to form two identical cells. The major purpose of mitosis is for growth and to replace worn out cells.
Thus, option "B" is correct, Both characteristics represent mitosis.
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From deep to superficial, the order of the strata of the epidermis is corneum - granulosum - lucidum - spinosum - basale. spinosum - granulosum - basale - lucidum - corneum. basale - granulosum - spinosum - lucidum - corneum. corneum - lucidum - granulosum - spinosum - basale. basale - spinosum - granulosum - lucidum - corneum.
Answers
Answer:
basale - spinosum - granulosum - lucidum - corneum.
Explanation:
The order of strata in the epidermis:
Basale: it is the deepest stratum. It has one layer of cells called keratinocytes, which are stem cells for the epidermis.Spinosum: The keratinocytes in this layer have spiny shapes. They synthesize cytokeratin and lipids. In this layer, we can also find macrophages.Granulosum: The keratinocytes of the previous layer ascend and synthesize keratohyalin, which is in granules. The keratohyalin helps to join keratin filaments. Also, the cells release the lipids synthesized in the previous layer, and they form a barrier that stops dehydration.Lucidum: it is only on thick skin, like the one in the sole of the feet. The keratinocytes in this layer have expelled the nucleus and now are dead cells. The keratinocytes have a flat shape and form a thin layer.Corneum: it is the most superficial layer. It is made of dead keratinocytes filled with keratin in their cytoplasm. It is a thick layer that suffers desquamation when new dead cells filled with keratin ascend from the previous layer.Human-to-human transmission of plague is usually by Group of answer choices unsanitary conditions. the respiratory route. dog flea. rat flea. wounds.
Answers
Answer: The correct answer is respiratory route.
Explanation: Disease can be transmitted from human to human through respiratory route. This can occur when the infected person cough or sneeze into the air , some particles of the pathogens are released and there is any human around the infected person when he sneez or cough, the person tend to get infected by inhaling or breathing in the infected air.
The bundle of collagen fibers at the end of a skeletal muscle that attaches the muscle to bone is called a(n)
Answers
Answer:
epimysium
Explanation:
Epimysium is a sheath of fibrous elastic tissue surrounding a muscle.
It is a layer of dense irregular connective tissue which ensheathes the entire muscle and protects muscles from friction against other muscles and bone
What's another name for a flowering plant?
A. Gymnosperm
B. Polypodiophyte
C. Angiosperm
D. Bryophyte
Answers
Answer:
the answer is B
Explanation:
sana po makatulong
Where does the first stage of cellular respiration occur?
Use this diagram of an animal cell to answer the
question
OW
OX
OY
OZ
Answers
Answer:
Z
Explanation:
The first stage of cellular respiration is called GLYCOLYSIS, where glucose is broken down into pyruvate. Because glycolysis occurs irrespective of whether there is oxygen or not, it occurs in all organisms. Hence, glycolysis occurs in the CYTOPLASM of their cell.
In this question, a diagram was given as an attachment. In the diagram, letters W, X, Y amd Z are used to represent organelles in the cell. Letter Z represents the cytoplasm, hence, the first stage of cellular respiration takes place in Z.
Answer: Z
Explanation: READ
List out 3 caste of honey bees with their description
Answers
Answer:
There are three castes in honey bees:
dronesworkersqueens.Explanation:
There are three castes in honey bees:
Drones-Male honey bees are drones. The head and thorax of the drone are bigger than the females.Queens-Honey bee queens are the species' reproductive women.Workers-Workers' sweet bees are generally non-reproductive women.You treat a sample of DNA with DNase and run the digested fragments out on an electrophoretic gel. You found mostly long fragments. What can you conclude about this sample of DNA
Answers
Answer:
the sample contains mostly heterochromatin
Explanation:
Heterochromatin refers to a highly condensed state of DNA, whereas euchromatin is lightly packed. It is for that reason that heterochromatin is associated with a transcriptionally inactive state, whereas euchromatin regions are active for transcription. Heterochromatin regions resist DNases because these enzymes don't cut DNA randomly, but they show sequence preference. In consequence, highly repetitive DNA heterochromatin regions (e.g., centromeres, telomeres, etc) may exhibit resistance to DNA cleavage.
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Which non-mineral nutrient is essential for photosynthesis?
- Hydrogen
- Potassium
-Nitrogen
- Carbon Dioxide
Answers
Answer:
Hydrogen
Explanation:
Hydrogen is the non-mineral nutrient, that is essential for photosynthesis.
Carbon, Oxygen and Hydrogen are the non-mineral nutrients.
Explanation: Plants breathe in CO2, therefore being essential, I learned this the hard way
Using what you know about the theory of plate tectonics, which type of rock would you expect to be older?
Question 10 options:
Oceanic crust
Continental crust
Answers
The three types of ocean floor sediments are terrigenous, biogenous, and _____.
Answers
Answer:
Seafloor sediment consist mostly of terrigenous sediment, biogenous sediment and hydrogenous sediment. Terrigenous sediments form from sediments carried from the land into the ocean by water, wind or ice.Which best describes a molecule?
a unit made of different kinds of elements
a unit made of only one kind of element
a unit made of two or more atoms
a unit made of a single atom
Answers
A unit made of two or more atoms.
Answer:
C
Explanation:
A molecule is a unit made of two or more atoms.
What would most likely happen to a native predator species if a nonnative predator species were introduced to an area?
A. The native species would force the nonnative species out of the community
B. The native species population would decrease because the nonnative species would be competing for food sources.
C. The native species population would increase because the nonnative species would introduce new food sources.
D. The native species would outcompete the nonnative species.
Answers
Answer:
B. The native species population would decrease because the nonnative species would be competing for food sources.
Explanation:
This question is describing the effect of invasive species. Invasive species are foreign species i.e. not native to a habitat or area, introduced into the area with the ability to outcompete and negatively affect the native species of that area.
Invasive species compete with the native species for food, space, mate etc., and tend to outgrow them. Hence, if a nonnative predator (invasive) species were introduced to an area, the native predator species in that area would decrease because the nonnative species would be competing for food sources.
What are the different types of agar plates?
Answers
Answer: Blood Agar Plates, Nutrient Agar Plates,MacConkey Agar Plates,Bile esculin agar plates,Mannitol salt agar and Sabouraud dextrose agar
what are evidence that the himalayas mountain are still rising
plz help me with a good explanation and I will give u branist and follow u and also give u like plz help me
Answers
Answer:
because duetothe volcanic activity and tectnic plates it risesup
Which layer of Earth experiences the least amount of pressure?
crust
mantle
outer core
inner core
Answers
The crust of the Earth experiences the least amount of pressure.
Answer:
The Answer is Crust
Explanation:
Letter A
It is the highest level in the modern taxonomic classification system
Answers
Answer:
Domain
Explanation:
The domain is highest level in modern taxonomic classification system.
What are the methods of waste disposal ? Write in briefly.
Answers
Answer:
Methods of waste disposal are :-
Biogas plant: - Biodegradable material is used to produce biogas and manure.
Sewage treatment plant: The drain water is treated at plants before adding it to river.
Land filings: - The waste are buried in low-lying areas and compacted with bulldozers.
Composting: - Organic waste are filled in compost pit to make compost for plants.
Recycle: - This means that you collect plastic, paper, glass and metal items and recycle these materials to make required things instead of synthesizing or extracting fresh plastic, paper, glass or metal. In order to recycle, we first need to segregate our wastes so that the material that can be recycled is not dumped along with other wastes.
Reuse: - This is actually even better than recycling because the process of recycling uses some energy. In the ‘reuse’ strategy, you simply use things again and again. Instead of throwing away used envelopes, you can reverse it and use it again. The plastic bottles in which you buy various food-items like jam or pickle can be used for storing things in the kitchen.
Refuse: -This means to say No to things people offer you that you do not need. Refuse to buy products that can harm you and the environment, say No to single-use plastic carry bags.
Repurpose - This means when a product can no more be used for the original purpose, think carefully and use it for some other useful purpose. For example, cracked crockery, or cups with broken handles can be used to grow small plants and as feeding vessels for birds.
Arrange the following sequence of events in the reproduction of flowering plants:
Germination, seed formation, fertilization, Pollination, dispersal of seed
Answers
Answer:
Pollination →Fertilisation → seed formation → dispersal of seed → Germination
Explanation:
This is the correct sequence of events in the reproduction of flowering plants.
A system of farming that leads to continuous destruction of virgin forest is
A. mixed farming
B. mixed cropping
C. pastoral farming
D. shifting farming
Answers
Answer:
shifting farming
Explanation:
this process of farming doesn't allow the forest regenerate ergo destroys it ..
White blood cells work by recognizing invading pathogens by their surface fragments, called __________.
Answers
Answer:
white blood cells that systematically envelop and kill pathogens such as bacteria, viruses, and fungi, worn-out body cells, and cells that have become cancerous. their surface fragments, called antigens, literally antibody generators.
Explanation:
Please I urgently need help with this
Answers
Answer:
A - Stigma
B - Anther
C - Filament
D - Style
E - Ovary
F - Petal
Explanation:
The above are the correct answers of the image drawn in the attachment.
These are parts of a flower.
A - Stigma: It is the head of the pistil. It contains a sticky substance that catches pollen grains from other pollinators.
B - Anther: This is the head of the stamen. It produces pollen grain.
C - Filament: It is a long slender part of the flower. It attaches the anther to the flower.
D - Style: It actually holds the stigma.
E - Ovary: It holds the ovule. Found at the base of the pistil.
F - Petal: It attracts pollinators to the flower.
PLEASEE NEED HELP ASP
Match each organelle with the main life function(s) it helps the cell perform. Each basic function of life can be used more
than once, and many organelles will have more than one possible answer. Choose one answer only,
Organelle list - nucleus, mitochondria, golgi apparatus, endoplasmic reticulum, ribosomes, lysosomes, vacuoles, cell membrane, chloroplast, cell wall
The answer could either be 1. reproduction 2. interaction with the environment 3. growth 4. uses energy 5. waste production (each function can be used more than once)
Answers
Answer:
The correct answer is -
nucleus - reproduction, mitochondria- reproduction, golgi apparatus - waste production, endoplasmic reticulum - growth, ribosomes - growth, lysosomes- waste production, vacuoles - growth, cell membrane - interaction with the environment, chloroplast - uses energy, cell wall - interaction with the environment
Explanation:
A Cell has various organelles with more than one generic function such as the nucleus not just play role in cell reproduction but also plays role in regulating other organelle and cell growth by transcription. Mitochondria produces and provides energy for many functions such as growth, reproduction and substance transport.
Golgi apparatus package proteins and wastes to transfer them out of the cell. The ndoplasmic reticulum modifies the protein produced by ribosomes and helps in growth of the cell. Lysosomes digest waste and cell debris by lysosomal vesicles. Cell membrane and cell wall interact with outer environement.
Drag the tiles to the correct boxes to complete the pairs.
Match each scenario to the climatic factor that caused it.
Answers
Explanation:
A forest - Type of ground cover
Mountaineers - Elevation
Coastal Florida - Proximity to the water body
Countries - Latitude
The landscape of the Amazon rain forest has become more fragmented over the past half century. Thus, we would say that its _______ has changed.
Answers
Answer:
Structure.
Explanation:
It has changed its structure. Structure is the correct answer.
When there is plenty of oxygen available in the muscles, the condition is referred to as being:
Answers
Answer:
Aerobic condition.
Explanation:
When there is plenty of oxygen available in the muscles, the condition is referred as aerobic condition because the muscles do respiration in the presence of oxygen. The presence of oxygen to the muscles produced huge amount of ATP which can be used by the body in different activities as compared to anaerobic condition where there is no oxygen and the body produce less ATP for the body.
calculate the power developed by motor that moves an object 8m against a fornce of 10N in 4 secs
Answers
Answer:
Nos ayer as por favor
Explanation:
sitio por favor
Identify the object with greatest inertia.
Bowling ball
Tennis ball
Billiard ball
Basket ball
Answers
Answer:
Bowling ball
Explanation:
Explain what is happening between these 2 atoms.
Answers
Like a magnet they are repelling from each other