The two structures in Sea otters which work together as part of this
process include the following:
MitochondrionAdipose tissueWhat is Mitochondria?This is regarded as the power house of the cell in which ATP is generated
for distribution to other parts of the cells.
Sea otters have adipose tissues which are thick as a result of the presence
of fat. The mitochondrion in this animal is leaky and energy is easily
released in the form of heat even when the animal isn't performing any
activity.
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cell division is not complete until ________, the physical separation of the daughter cells, occurs.
Answer:
Cytokinesis
Explanation:
Last stage of cell division.
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The large band of muscle that controls the size of the chest cavity.
Answer:
Diaphragm is the large band of muscle that controls the size of the chest cavity. Lungs are the two large lightweight organs of the body.Explanation:
What do channel proteins, aquaporins, and carrier proteins have in common?.
Like insulin in a diabetic patient, protein hormones must be injected.
Answer:
If its T/F it's True
Explanation:
What important milestone happens with the fetus during the second trimester?
a) it turns head down
b) it makes sucking motions
c) it can open and close its eyes
d) it moves lower in the mother's pelvis
Answer:
the answer is a.
Answer:
it can open and close its eyes
Explanation:
took the test
humans have 23 pairs of chromosomes in their somatic cells. how many pairs of chromosomes will be in each daughter cell after mitosis
Answer:
each daughter cell will have half of the original 46 chromosomes, or 23 chromosomes
Explanation:
each chromosome consists of 2 sister chromatids of 23
What is the main function of the cytoplasm in a plant cell?.
Answer:
the cytoplasm functions to support and suspend organelles and cellular molecules. they also have a role in maintaining the shape and consistency of a plant cell
2.
Which phrase is an example of heterotrophic nutrition?
a. A deer eating grass in a field.
b. a tomato making its own food
Explain:
A.
All eukaryotes except for green plants are unable to manufacture their own food: They obtain food from other organisms. This mode of nutrition is also known as heterotrophic nutrition.
All heterotrophs (except blood and gut parasites) have to convert solid food into soluble compounds which are capable of being absorbed (digestion).Then the soluble products of digestion for the organism are being broken down for the release of energy (respiration). All heterotrophs depend on autotrophs for their nutrition. Heterotrophic organisms have only four types of nutrition.
Answer:
b a tomato making its own food
Explanation:
Drag the tiles to the correct boxes to complete the pairs.
Match the stages to their features.
low birth rates, death rates are constant
high birth rate and death rate
high birth rate and low death rate
Pre-modern
Mature industrial
Industrialization
Question 1
Which of the following molecules does NOT enter the cell via facilitated diffusion?
Fats
Nucleotides
Amino acids
Sugars
Monosaccharides
The molecule that does not enter the cell via facilitated diffusion is :
( A ) Fats
Facilitated diffusionFacilitated diffusion is a type of spontaneous transport system ( passive ) in which charged and polar molecules such as carbohydrates, Amino acids, Nucleotides and ions move across a biological membrane. with the aid of a specific transmembrane integral proteins while
Fats ( fatty acid ) enters the enterocyte through simple diffusion process via the plasma membrane.
Hence we can conclude that The molecule that does not enter the cell via facilitated diffusion is Fats.
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A population of white-tailed deer inhabits a certain patch of forest in michigan. Which group of alleles can be considered the gene pool of those deer?.
Answer:
the dominant alleles of white-tailed deer in this population only!
Explanation:A group of individuals of the same species that interbreed with each other is known as a population. The study of change in genetics is called population genetics which includes genes and alleles.
Complete set of genes and their alleles that are present in a population is called gene pool. Gene pool includes both dominant and recessive alleles of every gene present in a population that can be transmitted in the next generation.
Population with high genetic pool has high diversity which increases the fitness of a population. As gene pool include all the genes and its allele in a population, therefore, the correct answer is all alleles of the white-tailed deer in this population only.
why do scientists break the biosphere into categories like species population community ecosystems and biome when conducting studys
The biosphere is too large to study altogether so scientists break the biosphere into categories like species population community ecosystems and biome when conducting studies.
How do scientists define the biosphere?The biosphere is made up of the parts of Earth where life exists. The biosphere extends from the deepest root systems of trees to the dark environment of ocean trenches, to lush rain forests and high mountaintops. Scientists describe the Earth in terms of spheres.
How do we divide the biosphere in order to study it?The biosphere is divided into smaller units called ecosystems which living organisms interact with. It extends from the deepest part of the ocean and then goes up into the biosphere.
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Which statement about abiotic changes to an ecosystem is true?
The changes may impact food chains, but not food webs.
The changes may affect several populations within the ecosystem.
The changes cannot be caused by human activity.
The changes will have no impact on living organisms in the ecosystem.
Answer:
B the changes may affect several populations within the ecosystem
Explanation:
I took the test.
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The statement that is true about Abiotic changes in an ecosystem is the changes cannot be caused by human activity.
What is an ecosystem and Abiotic factor?An ecosystem refer to a geographic area where like being organisms such as plants, animals, interact with the non living or physical environment like weather, light and so on. The ecosystem comprises of both biotic and Abiotic factors.
Abiotic factors refer to the non living part of the ecosystem and these are the physical part like light, weather, soil, landscape and so on.
Therefore, The statement that is true about Abiotic changes in an ecosystem is the changes cannot be caused by human activity.
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Which would be classified as a pullutant?
Argon
Smoke
Water vapor
Nitrogen
Imagine that you are a scientist who has discovered a new object. You want to find out if the object is biotic or abiotic. You observe several characteristics about the new object. Which of these characteristics would tell you that the object is abiotic, or not alive?
questions updated The object has a crystalline structure.
The object has a crystalline structure.
The object responds to stimuli.
The object responds to stimuli.
The object can mutate.
The object can mutate.
The object cannot create energy
The characteristics that would tell one that the object is abiotic, or not alive is that object responds to stimuli.
WHAT IS A LIVING THING?A living thing is any organism that possess life as depicted by the exhibition of certain characteristics.
The characteristics of living organisms are as follows:
Ability to reproduce i.e. make copies of itselfAbility to respire Ability to respond to stimuli i.e. irritabilityAbility to increase in size i.e. growthAbility to excrete waste products.According to this question, a scientist who has discovered a new object wants to find out if the object is biotic (living) or abiotic (non-living).
Therefore, the characteristics that would tell one that the object is abiotic, or not alive is that object responds to stimuli.
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Which two types of rna pair up using a codon-anticodon link?.
Answer: the tRNA and the mRNA
Explanation:
A continuation of this will have what immediate impact on the local ecosystem?
Answer:
Understanding the status and trends of ecosystem services (ES) in a changing environment is important for identifying effective management measures of multifunctional mangrove ecosystems. Mangroves and their ES are jeopardized by a complex set of factors, with impacts that are experienced at local levels, especially in developing countries, where people often rely directly on natural capital for their livelihoods and well-being. This study was set to explore how local communities in the Rufiji Delta, situated in central coastal Tanzania, perceived the status and trends in mangrove ecosystem services (MES), associated drivers of change and the impacts of changes in MES on local livelihoods. A mixed methodological framework (including focus group discussions, key informant interviews, household surveys and direct observations) was used. People from villages close to mangroves rated the status of MES higher than those in villages distant from mangroves. Provisioning services (P) were often perceived to be in a worse and more declining state than regulating (R), cultural (C) and supporting services (S). A decrease in availability of poles and firewood (P), decline of fish habitats (S) and an increase in education value (C) were the most commonly perceived changes of MES in the study area. Illegal harvesting of mangrove poles, rice cultivation, climate change and inadequate management were seen as the most critical drivers of mangrove degradation, although the perceptions differed between sites. Rice farming was perceived to be a primary cause of mangrove loss by communities far from mangrove forests, while illegal exploitation was identified as the major driver by communities near mangroves. Fishing, collection of poles and honey were perceived as the most impacted livelihoods depending on MES. This together with the comparatively low status and declining trend of these MES indicate that they should be of high management priority as indicated by the first order management index used in this study.
Explanation:
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What type of blood vessel is built to handle the highest pressure of any vessel in the cardiovascular system
The type of blood vessel is built to handle the highest pressure of any vessel in the cardiovascular system are arteries. They are strong and flexible blood vessels.
What are arteries?Arteries are strong and flexible blood vessels that can transport blood to different parts of the body.
These blood vessels (arteries) can deliver oxygen from the heart to other tissues present in the rest of the body.
The aorta and arteries are blood vessels that have the highest pressure in the cardiovascular system.
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Which statement correctly summarize the results of this investigation
Answer:
it's C)
Explanation:
...............
Match the following.
1 . inflorescence A leaflike part of the flower where seeds are produced
2 . epidermis Oblong cells with unevenly thickened walls for support in young stems
3 . energy All the organic substances located between the nucleus and cell membrane
4 . parenchyma The capacity to do or perform work
5 . sclerenchyma The outermost layer of plant cells or tissue
6 . cytoplasm The specific pattern of flower arrangement of a plant
7 . phloem The most common plant cell, found in practically all parts of the plant body
8 . xylem The ring of leaflike appendages occurring inside the sepals
9 . carpel The food-conducting tissue of a plant's vascular or transport system
10 . sepal A plant cell of a long fiber type or variable sclereid type
11 . collenchyma A flower part; the outermost ring of leaflike appendages of a flower
12 . tissue A flower part; a ring of pollen-producing appendages of a flower
13 . stamen A group of similar cells, or unlike cells with a specialized common function
14 . petal The water and mineral conducting tissue of a plant's vascular system
Answer:
1. Inflorescence: The specific pattern of flower arrangement of a plant.
2. Epidermis: The outermost layer of plant cells or tissue, providing a covering for the plant body.
3. Energy: The capacity to do or perform work.
4. Parenchyma: The most common plant cell, found in practically all parts of the plant body.
5. Sclerenchyma: A plant cell of a long fiber type or variable sclereid type.
6. cytoplasm: All the organic substances located between the nucleus and cell membrane.
7. Phloem: The food-conducting tissue of a plant's vascular or transport system.
8. xylem: The water and mineral conducting tissue of a plant's vascular or transport system.
9. Carpel: A leaflike part of the flower where seeds are produced.
10. Sepal: A flower part; the outermost ring of leaflike appendages of a flower.
11. Collenchyma: Oblong cells with unevenly thickened walls for support in young stems.
12. Tissue: A group of similar cells (simple tissue), or unlike cells with a specialized common function (complex tissue).
13. Stamen: A flower part; a ring of pollen-producing appendages of a flower.
14. Petal: A flower part;a ring of pollen-producing appendages of a flower.
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answer asap: how are biomes different?
Answer: Biomes differ in the amount of precipitation they receive, their temperatures, and the life that inhabits each biome. ... Each biome is filled with organisms adapted to live in one of its ecosystems and each biome is determined by temperature and precipitation, accounting for differences between biomes.
Answer:
Biomes differ in the amount of precipitation they receive, their temperatures, and the life that inhabits each biome. ... Each biome is filled with organisms adapted to live in one of its ecosystems and each biome is determined by temperature and precipitation, accounting for differences between biomes.
Explanation:
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If someone's blood was hypertonic to their body tissues, would they be considered dehydrated? Why or why not?
Answer:
when there is too much salt or water in your body is when it would be considered dehydrated
Explanation:
losing too much water while keeping too much salt in the fluid outside your cells cause hypertonci dehydration
Regarding the membrane potential of a cell at rest, the internal environment of the cell is more __________ compared to the external environment.
Answer:
fluid?
Explanation:
Deoxygenated blood travels to the lungs through the.
Explanation:
Pulmonary Arteries where the blood is re-oxygenated.
Explain how frequency, wavelength, and energy are related to each other.
Explanation: Just as wavelength and frequency are related to light, they are also related to energy. The shorter the wavelengths and higher the frequency corresponds with greater energy. So the longer the wavelengths and lower the frequency results in lower energy. The energy equation is
E = hν.
Answer:
Explanation:
The number of complete wavelengths in a given unit of time is called frequency (f). As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter. As the frequency decreases, the wavelength gets longer.
The remote sensing technique known as _________ has enabled scientists to map more than 800 square miles (2,100 square kilometers) of the Maya Biosphere Reserve in Guatemala, thus providing the largest dataset ever obtained for archaeological research.
From what we know, we can confirm that the remote sensing technique described in the question is that of laser scanning.
What is laser scanning?This is, as described in the question, a remote sensing technique. This is a method most often used for land surveys, in which lasers are pointed at the area, which gather information in the form of 3D coordinates, which are later compiled to create detailed maps of the region.
Therefore, we can confirm that the remote sensing technique used by the PACUNAM project in order to map more than 800 square miles of the Maya Biosphere Reserve in Guatemala, is that of laser scanning.
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Which of these is NOT a characteristic of eutrophication?
high oxygen levels
high nitrogen levels
the massive growth of algae
dying out of fish species
Answer:
I think it's high oxygen levels
Explanation:
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What is evolution?
a. An increase in complexity over time
b. The tendency of species to improve over time
c. Any change to the genetic composition of a population
а
d. All of the above
Answer:
Any change to the genetic composition of a population
Explanation:
the answer above got me wrong, this is the right one.
Which organism is most likely 100 micrometers in size?.
Saclike photosynthetic membranes found in chloroplasts.