bAnswer:
Explanation:
A student is given a list of traits and is asked to organize them in a Venn diagram as shown below.
Which traits should the student put in section II (Both)?
1 a scar and blood type
2 tiger's stripes and wolf's social status
3 musical talent and wolf's social status
4 musical talent and skin color
Answer: The correct answer is option B) a scar and wolf's social status.
The acquired traits can be defined as the traits, which are only influenced by the environment of the organism. The acquired trait cannot be passed down to the offspring, as they are not genetically determined. A scar and the social status of any organism is dependent on the behavior of the organism to the environment, no genes code for both of these characters. So, scars and Wolf's social status is an acquired trait.
Explanation:
The female gametes are called__________. *
sperm
ova
Answer:
Woman's gametes are called Ova. Sperm is what a mans gamete is.
Explanation:
If fertilization occurs which hormone triggers the thickening of the endometrium
a.estrogen
b.progesterone
Answer: B. Progesterone
Explanation: trust me;)
Which animal is a tertiary consumer in this food chain?
Answer: EL ANIMAL QUE ES CONSUMIDOR TERCERIANO ES LA SERPIENTE
xplanation:PORQUE ES CARNIVORO
What is the chemical equation for photosynthesis
Answer:
6CO2 + 6H2O --> C6H12O6 + 6O2
Explanation:
Have a good day :)
Answer:
6CO2 + 6H2O → C6H12O6 + 6O2
Explanation:
hope that helps girly good luck!
which is the method of estimating fish in a pond
Explanation:
There is a popular sampling method called capture – recapture or 'Lincoln Index' or 'Pieterson's Method' which is used to estimate the size of an animal or human population.
Which of the following creates an
allluvial fan
A The buildupci sediment at the mouth of a
3. The seriment deposits by the side of flooding
C. The sticons that leave deepvalleys and
D. There is by ters,
1. Which of the following best explains how
behaviors, such as swarming and flocking, help
protect organisms?
a. Individuals in swarms or flocks act as decoys
to distract predators.
b. The movement and size of the swarm
or flock confuses predators.
c. Working together in swarms or flocks
requires less energy
d.The size of most swarms and flocks
can overtake larger predators.
What is the purpose of the digestive system?
1. Create energy
2. Swallow food
3. Break down food so nutrients can be absorbed
Answer:
3. Break down food so nutrients can be absorbed
Explanation:
the reasoning is when you digest something your body is breaking down the food into small chuncks so that the nutrients can be absorbed easier
Help please I will mark brainlist!!
Answer: i think the answer c
Explanation:
Please help me with this!!
1. Which process plays a part in genetic recombination? A. Asexual reproduction. B. Cytokines. C. Independent assortment. D. Mitotic division.
2. Which correctly lists the following terms in order from smallest to largest? DNA, chromatin, chromosomes, nucleosomes.
A. Chromatin, DNA, Chromatin, nucleosomes
B. Chromosomes,DNA, Chromatin, nucleosomes
C.DNA, nucleosomes, chromatin, chromosomes
D. Nucleosomes, DNA, chromatin, chromosomes
3. In a triploid organism, how many alleles are present for each gene per cell?
A. 1
B. 3
C. 6
D. 9
I) Independent assortment.
II) Nucleosomes, DNA, chromatin, chromosomes.
III) 3.
EXPLANATION:➻ Recombination scrambles pieces of maternal and paternal genes, which ensures that genes assort independently from one another.
➻ We know that Chromatin is a complex of DNA and proteins that forms chromosomes. Chromatin looks like beads on a string. The beads are called nucleosomes. Each nucleosome is composed of DNA.
➻ Triploids with three different alleles can easily be detected because they have a unique phenotype.
The process involved in genetic recombination is INDEPENDENT ASSORTMENT. The correct order from smallest to largest is DNA, nucleosomes, chromatin, chromosomes. In a triploid organism, there are 3 ALLELES for each gene.
In independent assortment, different gene variants or 'alleles' are independently and randomly assorted into daughter cells, which allows genetic recombination.
In eukaryotic organisms, DNA is associated with histone proteins in order to form nucleosomes, which arrange in higher organization structures called chromatin fibers.
Subsequently, chromatin fibers condense to form structures called chromosomes.
A triploid organism (3n) contains three sets of homo-logous chromosomes, each one containing one allele for a given locus.
In conclusion, the process involved in genetic recombination is INDEPENDENT ASSORTMENT. The correct order from smallest to largest is DNA, nucleosomes, chromatin, chromosomes. In a triploid organism, there are 3 ALLELES for each gene per cell.
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Which of the following is NOT a type of wetland?
a: marsh
b: bog
c: swamp
d: pelagic
Explanation:
i have no clue, but good luck, hopefully you pass the test
Apply what you know about lipids to explain why the cuticle helps prevent water loss in plants. Compare it to what humans do.
Answer:
Explanation:
Waxy cuticle is a white powdery substance that is insoluble, it is found usually on the surface of stem or leave and it prevent excessive loss of water through transpiration.
It is an adaptive mechanism used in dry areas or desert to help plants retain water that is needed for their growth by reducing amount of water loss through transpiration.
Cactus is an example of plant with cuticle that thrive well in dry areas
A 38-year-old mother of three presents to her primary care office with complaints of fatigue. She feels that her energy level has been low for the past 3 months. She was previously healthy and taking no medications. She does report that she has gained about 10 lb and has severe constipation, for which she has been taking a number of laxatives. A TSH is elevated at 25 mU/L. Free T4 is low. She is wondering why she has hypothyroidism. Which of the following tests is most likely to diagnose the etiology?
A. Antithyroid peroxidase antibody
B. Antithyroglobulin antibody
C. Radioiodine uptake scan
D. Serum thyroglobulin level
E. Thyroid ultrasound
Answer:
A. Antithyroid peroxidase antibody
Explanation:
The most common cause of hypothyroidism is autoimmune thyroiditis, also known as chronic lymphocytic thyroiditis or Hashimoto's disease. This condition (autoimmune thyroiditis) is caused by damage of the thyroid gland, which occurs when antibodies of the immune system attack this gland. The thyroid peroxidase test is an enzyme immunoassay widely used to measure the level of autoantibodies against thyroid peroxidase. Patients with chronic thyroiditis often display a positive thyroid peroxidase test. On the other hand, thyroid ultrasound is useful for the initial evaluation of painless thyroiditis in order to distinguish nodules or multinodular goiter. Antithyroid peroxidase antibodies are commonly observed in individuals suffering autoimmune thyroiditis, whereas antithyroglobulin antibodies are observed in different thyroid disorders and autoimmune diseases. Finally, a radioiodine uptake scan measures the amount of radioactive iodine accumulated in the thyroid gland, which is useful only for diagnosing early‐stage of Hashimoto's thyroiditis.
A scientist is examining cells under a microscope. Which would best help the scientist identify the tissue as plant or animal?
A. The presence or absence of a cell wall
B. the presence or absence of DNA
C. Plant cells would be green
D. Animal cells would contain a nucleus
SORRY FOR THE LITTLE POINT PLEASE ANSWER ITS DUE IN 2 MINUTES
Answer:
I think the answer is A
Explanation:
The presence or absence of a cell wall is examining cells under a microscope.
What is Cell wall?Cell walls are a specific type of extracellular matrix that cover every plant cell. Many of the traits that set plant cells apart from animal cells are caused by the cell wall.
The cell wall serves a variety of activities that are essential to plant life, despite being frequently thought of as an inert product used only for mechanical and structural purposes.
These include: giving the living cell mechanical defense and a chemically insulated environment; offering a porous medium for the circulation and distribution of water, minerals, and other small nutrient molecules.
Therefore, The presence or absence of a cell wall is examining cells under a microscope.
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A man is HH for a trait, while his wife is hh. What will their children
Explanation:
I hope what I have drawn on the picture will help you understand:)
The cell cycle is the life of the cell from the time it is first formed from a dividing parent cell until its own division into two cells
Explanation:
cell cycle is made up of three main parts: interphase, mitosis, and cytokinesis. Most biologists agree that interphase makes up the period of time that a cell would be preparing for cell division. Cells spend the majority of their lives in this stage. During interphase a cell is going to be growing, replicating its genetic material and essentials to carry out cell division, and proofreading the genetic material to ensure replication has occurred correctly. This doesn’t sound like much, but it’s actually the longest part of the cell cycle. Once this is complete, the cell will then go through cell division and, theoretically, split into two new cells (cytokinesis).
How cytokinesis works will depend upon the type of cell that is dividing. Here is an image that summarizes the differences in cytokinesis in plant cells and animal cells, which is the classic example used in many introductory biology courses:
What happens if the sequence is changed (mutations)?
Explanation:
A mutation may change a trait in a way that may even be helpful, such as enabling an organism to better adapt to its environment. The simplest mutation is a point mutation. This occurs when one nucleotide base is substituted for another in a DNA sequence. The change can cause the wrong amino acid to be produced.
Home land of Shorea robusta is
a) alpine zone
b) temperate zone
c) tropical zone d) sub alpine zone
Answer:
c) tropical zone
Explanation:
Biology - Genetics
Click on a word in the puzzle to see the clue
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Click a word in the puzzle to get started.
Check puzzle
Answer:
what type of question it is
Which of the following best describes what carrying capacity is?
A
The quantity of marine life a limited water resource can sustain.
B
The maximum number of a population that an ecosystem can sustain.
C
The total amount of greenhouse gases a specific ecosystem can sustain.
D
The minimum number of predators a specific geographic area needs to sustain itself.
B. The maximum number of a population that an ecosystem can sustain.
Answer soon a possible please!
Bacteria in the soil can release____
back into the air
-oxygen
-hydrogen
-nitrogen
-carbon dioxide
Answer:
Explanation:
nitrogen
Answer:
nitrogen
Explanation:
why is carbon dioxide required for photosynthesis
Answer:
Carbon dioxide is necessary for photosynthesis because plants make their food only in the presence of carbon dioxide
I hope this will help you :)
how the animals and plants of a healthy ecosystem are organized and interact.
Answer:
A healthy ecosystem consists of native plant and animal populations interacting in balance with each other and nonliving things (for example, water and rocks). ... Decomposers break down dead plants and animals, returning vital nutrients to the soil. Plants take up these nutrients, along with water, through their roots.
Explanation:
Look at picture
People may remove fallen trees from Forrest's to reduce the fire risk removing the trees is now thought to have an impact on the health of the forest. Which impact would removing fallen trees from forests most likely have on forest health?
Answer:
C
Explanation:
Without decaying wood , the nutrient cycle is unbalanced
Decreased soil fertility by preventing nutrient recycling. Therefore, option (C) is correct.
What is nutrient recycling?Nutrient recycling is the process by which essential nutrients, such as carbon, nitrogen, phosphorus, and sulfur, are continuously cycled through the biotic and abiotic components of an ecosystem. This cycle involves the movement of nutrients from the non-living (abiotic) to the living (biotic) components of an ecosystem and back to the non-living components.
The process of nutrient recycling involves the decomposition of dead organic matter by microorganisms and the subsequent release of nutrients into the soil, water, and air. These nutrients are then taken up by plants and other organisms, which are eventually consumed by other organisms in the food chain. When these organisms die or produce waste, the nutrients are again released into the environment to be used again.
Nutrient recycling is crucial for the maintenance of healthy ecosystems and the sustainability of life on Earth.
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Organisms of either extreme characteristic dying out while organisms with the medium characteristic have a higher fitness is identified as?
Answer: Stabilization selection
Explanation:
Natural selection involves the differential survival and growth of organisms which have suitable traits to survive in unfavorable or adverse environment. Such traits are passed on to the next generation. Stabilization selection is a type of natural selection in which the nature selects the non-extreme phenotypic traits. Middle traits are selected and such organisms grow and reproduce. Example can be given that of human babies in which babies with low weight lose more heat and babies with high weight are difficult to be delivered from the pelvis. Therefore, babies with middle weight are expected to survive more than that of low or middle weight.
‼️‼️‼️
Please helppp
Answer:
“Hard limits” to population growth are things like food, water, energy, technology, living space, other basic needs and economic factors which limit people’s ability to access these things.
“Soft limits” to population growth are things like education, birth control, the desire for a better life individually and a better global future for humanity, religious celibacy or chastity or abstinence, female empowerment and economic participation, the suffering already caused by overpopulation and the desire to avoid further suffering, malnutrition or non-lethal starvation which reduces sexual libido, pollution and other man made causes of involuntary sterility or low sperm count or low fertility, desire to save the environment, aversion to pain and suffering when understood that population growth causes both.
Countries with better quality of life and access to food and basic needs often have lower birth rates and lower population growth. This shows that soft limits can actually be more effective than hard limits to stop population growth. You have plenty of countries in Africa running into hard limits and having some of the highest fertility and population growth rates at the same time. They also suffer massive problems like war, poverty, disease and low standard of living. This goes to show that running into the hard limits will pretty much let things get as bad as they can get before it stops population growth. The hard limits won’t stop all the suffering caused by overpopulation but will make enough people suffer TO DEATH that the population doesn’t grow. People fear pain, thus the soft limits are more effective when they understand that population growth was responsible for pain or suffering and avoid it.
True or false, DNA contains the nitrogenous bases adenine , uracil, guanine, and cytosine.
Answer:
True
Explanation:
Trust
_____________________________ is famous for his work on natural selection.
a
Charles Darwin
b
Henry Cavendish
c
Babe Ruth
d
Isaac Newton
Answer:
a
Charles Darwin
Explanation:
7. Mutations in DNA occur when there is a change in the base-pair sequence of a gene. Which of these is
not an accurate statement about mutations?
A. Most mutations occur when a cell copies its DNA for cell division.
B. Mutations can involve adding, removing, or substituting genes.
C. Mutations always cause a change in the phenotype of the organism.
D. Mutations can be beneficial.
Answer: C
Explanation: None