Which characteristic best explains why lotic ecosystems tend to have more dissolved oxygen than lentic ecosystems?
⋆Lotic ecosystems tend to be warmer, which increases dissolved oxygen levels.
⋆Lentic ecosystems contain still water, which decreases the solubility of oxygen. ✓
Lentic ecosystem ,due to having still water bodies which are comparatively smaller than the waterbodies in lotic ecosystem, evaporates faster so does cools down , resulting in more dissolved oxygen than that in a lentic ecosystems.⋆Lentic ecosystems tend to have a larger variety of species using up the oxygen.
⋆Photosynthetic organisms use most of the dissolved oxygen in lentic ecosystems.
The characteristic that best explains why lotic ecosystems tend to have more dissolved oxygen than lentic ecosystems is lentic ecosystems contain still water, which decreases the solubility of oxygen. The correct option is b.
What are lentic and lotic ecosystems?Lotic ecosystem refers to environments with flowing water, such as rivers and streams, lentic (from the Latin lentus, meaning sluggish or motionless), refers to standing waters such as lakes and ponds (lacustrine), or swamps and marshes (paludal).
Examples of Lentic ecosystems are ponds, marshes, etc. and examples of lotic ecosystems are streams and rivers. Rivers are always moving and ponds are still.
Therefore, the correct option is b. Still, water is a component of lentic ecosystems, which reduces oxygen solubility.
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Please help me with data table!!
Answer:
what subject it's in? I can help just cant read what it says.
Explain the internal structure of mid layer of a leaf
Answer:
Structure of a leaf
The cuticle helps retain water inside the leaf cells. The epidermis houses the guard cells which regulate the movement of water into and outside the cell. Guard cells do so by controlling the size of the pores also called stomata. Mesophyll: This forms the middle layer of the leaf.
Explanation:
Infected blood is introduced directly into your body through a piercing wound like maybe a needle-stick or some type of sharp jagged glass that has blood on it:.
Bloodborne diseases are transferred when infected blood comes in contact with body fluids of uninfected individuals through skin piercings.
What is infected blood?Infected blood refers to blood that contains harmful toxins as well as disease-causing microorganisms in it.
Infected blood is one of the major route of transfer of bloodborne diseases such as HIV/AIDS, hepatitis and HBV.
The routes of transfer of these bloodborne diseases include:
skin abrasionse-xual contact and injection with needle-stick or sharp objectsTherefore, bloodborne diseases are transferred when infected blood comes in contact with body fluids of uninfected individuals.
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HELPP ASAPPwhat are the lasting impact of bottleneck effect
Answer:
In turn, a population bottleneck reduces the number of alleles in the gene pool, resulting in less genetic diversity for that population or species in the long term.
Explanation:
The digestive system includes the organs that______the food, transport the ingested material, digest the material into smaller usable components, ______the necessary digested nutrients into the bloodstream, and expel the waste products from the body.
Answer:
1. ingest
2. absorb
Explanation:
the first step is ingestion, the act of taking in food. This is followed by digestion, absorption, and elimination also known as sending waste out of the body.
Hope this helps.
1. A scientific law is a statement of fact that describes an action or set of actions. Laws are accepted as fact because they are always observed to be true. Examples of scientific laws are Newton's laws of motion. These laws describe the motion of moving objects. A) Give an example of a scientific law you have studied or heard of. (Think about what happens when an apple falls from a tree. ) (2 points) b) How do you know that this is a law in scientific terms? Read through the definition of law in the question above. (2 points)
Answer:
A: Newton's Law of Gravity
B: Newton's law states "any particle of matter in the universe attracts any other with a force varying directly as the product of the masses and inversely as the square of the distance between them." Which is true.
Explanation:
Ap3x
Which three parts are released from cellular respiration in animals?.
Answer:
glycolysis (an anaerobic process), the Krebs cycle, and oxidative phosphorylation.
Explanation:
hope I helped <3
People do stuf to the area . Explain how animals is involved
How is the goal of evolutionary classification different from linnaean classification.
Answer:
The goal of evolutionary classification
Explanation:
The goal of evolutionary classification is to group species into larger categories that reflect lines of evolutionary descent, rather than overall similarities. The goal of linnaean classification is to group species into larger categories based on physical characteristics
state three adaptations of aquatic plants to photosynthesis
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Here is your answer:-
Have stomata on upper surface; - Large leaf surface to increase surface are for absorption of light.
How are the vacuoles different in plant and animal cells
Answer:
vacuoles in plants provide a rigid structure for the plant cell
in animals,it just stores the waste materials and stuff.
Please help!!! I’ll give thanks and brainliest
Answer:
d
Explanation:
According to the key above, which characteristics are necessary to identify a female aedes mosquito.
1. Antennea, palps, and proboscis
2. palps, abdomen tip, and scales and legs
3. eyes, scales on legs and abdomen tip
4. pals, abdomen tip and wings
The characteristics to identify female aedes mosquito are palps, abdomen tip, and scales and legs
Female Aedes mosquito?Female Aede mosquito is a yellow fever mosquito, is a mosquito that can spread dengue fever,and yellow fever viruses, and other disease agents. The mosquito are identified by black and white markings on its legs and a marking at the the upper surface of its thorax. They are small in sizes and have patterns of light and dark scales on the abdomen and thorax which alternate light and dark bands on the legs.
Therefore, The characteristics to identify female aedes mosquito are palps, abdomen tip, and scales and legs.
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Humans are ____because we must consume other life forms for energy. autotrophs or heterotroph?
Answer: heterotrophs
Explanation:
Since we consume things
Jamarion Smith
What did Juan Ponce de León and Francisco Vásquez de Coronado have in common?
O Neither found gold in the areas where they searched.
O Neither wanted to spread their religion to the native peoples.
O Both found climates that were desirous for future colonizations.
O Both consistently battled the native peoples in the places where they settled.
Why did Sienna shift her position on the gymnasium floor? Thermal energy was transferred from the gymnasium floor to her skin. Her skin and the gymnasium floor reached thermal equilibrium. Thermal energy was transferred from the air to her skin. Her skin and the surrounding air reached thermal equilibrium.
Answer: Her skin and the gymnasium floor reached thermal equilibrium.
Explanation:
How many single chromosomes are in a human zygote? Question 7 options: 23 46 64 48.
Answer:
46, i thinks
Explanation:
Bacteria can reproduce quickly by means of binary fission. Because of this, after binary fission....
A) the offspring will have traits of both parents.
B) there is genetic variation among the offspring.
C) all the offspring will be genetically identical.
D) none of the offspring will be genetically like the parents.
PLEASE HELP
Answer:
option C) All the offspring will be genetically identical
Answer:
yoo u added me as a friend ik this isnt an answer srry
Explanation:
There are abuse Indicators used by forensio nurses. One list identifies traits which indicate an individual is more likely to be targeted by
abuse. The other prediots those families which are more likely to show domestio violence. What indioator is in both lists?
O violations of court orders
O substance abuso
O violent attitudes
O history of relationship problems
how to determine if a molecule has a dipole moment
Answer:
Explanation:
The larger the difference in electronegativity between the two atoms, the more electronegative that bond is. To be considered a polar bond, the difference in electronegativity must be large. The dipole moment points in the direction of the vector quantity of each of the bond electronegativities added together.
The cell membrane is described as being fluid because:
A. the phosphate groups move between fatty acids.
B. the membrane lets materials pass through it.
C. the fatty acid chains are inside it.
D. the phospholipids move from side to side.
Answer:
B. the membrane lets materials pass through it.
Since the cell membrane is semi permeable in nature.
the membrane lets materials pass through it.
What is the difference between a benign tumor and a malignant tumor? View Available Hint(s)for Part A Benign tumors will not kill you; malignant tumors will. A benign tumor is a mass of essentially abnormal cells; a malignant tumor is an abnormal mass of essentially normal cells. Benign tumors do not metastasize; malignant tumors do. Benign tumors metastasize; malignant tumors do not.
Answer:
These cells can form a mass called a tumor. A tumor can be cancerous or benign. A cancerous tumor is malignant, which means that it can grow and spread to other parts of the body. A benign tumor means that the tumor can grow, but it will not spread.
Jose is growing pea plants in his garden. He notices that some plants have green pods, while others have yellow pods. He researches the species he planted and finds that green pods are dominant to yellow pods.
According to Mendel's law (principle) of dominance, which of the following statements can be said with certainty?
Answer:
The yellow pods will be destroyed.
Explanation:
His law states that one of the species will be completely destroyed if one is dominant. His guinea pig example illustrated this. The guinea pig was the framework of his principle, and relates almost exactly to this situation, except for the pods and pigs difference.
Answer:
- The plants with yellow pods do not have an allele for green pods.
- The plants with green pods might be homozygous or heterozygous for pod color.
Explanation:
Gregor Mendel's law (principle) of dominance states that some alleles are dominant, whereas others are recessive. An organism with a dominant allele for a particular trait will always have that trait expressed, or seen, in the organism. An organism with a recessive allele for a particular trait will only have that trait expressed when the dominant allele is not present.
The question states that Jose's pea plants can have two forms of the pod color allele—a dominant green allele and a recessive yellow allele.
His plants with yellow pods must be homozygous for the recessive yellow allele. Therefore, the plants with yellow pods cannot have an allele for green pods.
His plants with green pods could have two alleles for green pods or one allele for green pods and one for yellow pods. Mendel's law of dominance states that an organism needs only one copy of the dominant allele for its trait to be expressed. So, the plants with green pods might be homozygous or heterozygous for pod color.
Incomplete dominance is a condition in which one allele is not completely dominant over another, resulting in a phenotype (outward appearance) somewhere between the two homozygous forms. Since it is known that green pods are dominant to yellow pods and no other pod colors were produced in Jose's garden, it can be concluded that the plants are not displaying incomplete dominance.
Which is a benefit of refrigeration?
-increases the need for salt
-decreases the pollution in the air
-decreases the growth of bacteria
Answer:
the third one because it slows down the growth of bacteria, its why we need refrigerators
Answer:
the third one because it slows down the growth of bacteria, its why we need refrigerators
Explanation:
In domestic swine there is a dominant allele which produces a white belt around the body. The recessive allele produces uniform body color. One farmer wants to produce only belted hogs, and another wants only uniformly colored animals. Which farmer would have an easier time producing a true-breeding herd? Explain why. Tell how each farmer would proceed. (Hint: how could you tell if a herd was true-breeding?)
Answer:
The first farmer
Explanation:
The belted allele is dominant and would therefore have a higher chance of showing up in the hog.
Why does a phospholipid on the cytoplasmic side of the cell membrane rarely flip to the extracellular side if both environments are polar?.
What is the order of phases in mitosis? Question 15 options: Prophase, Metaphase, Anaphase, Telophase Telophase, Cytokinesis, Metaphase, Anaphase Prophase, Telophase, Anaphase, Metaphase Metaphase, Interphase, Anaphase, Telophase.
The steps of mitosis are in the order of prophase, metaphase, anaphase, telophase.
What are mitosis and its four stages?Mitosis is a part of the cell cycle in which replicated chromosomes are separated into two new nuclei.
Mitosis comprises four basic phases: prophase, metaphase, anaphase, and telophase. These phases occur in this strict sequential order, and cytokinesis - the process of dividing the cell contents to make two new cells - starts in anaphase or telophase. The mitotic phase is a relatively short period of the cell cycle. It alternates with the much longer interphase, where the cell prepares itself for the process of cell division. Interphase is divided into three phases: G1 (first gap), S (synthesis), and G2 (second gap).
Thus, the order of phases in mitosis is in the order of prophase, metaphase, anaphase, telophase.
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A population of kangaroos have a gene with two alleles that affects birth weight. AA individuals are much heavier at birth. Aa individuals are medium size at birth and aa individuals are very small at birth. Large babies sometimes die during the birth process and very small babies often die from illness. Show the selection that you think is taking place on the population
Based on the process of natural selection, individuals with genotype Aa are naturally selected for survival.
What is natural selection?Natural selection is the process by which individuals who possess features or structures best suited for survival in their environment are selected for survival.
In the population of kangaroos having a gene with two alleles affecting birth weight, it is observed that individuals with Aa geneotype for medium birth weight survive.
Therefore, individuals with genotype Aa are naturally selected for survival.
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1. What four factors determine the
growth rate of a population?
Helllp
Answer:
birth rate, death rate, immigration, and emigration.
Explanation:
The diagram below shows four labeled structures of an animal cell.
Animal Cell
Mitochondria
Nucleus
Cell Membrane
Cytoplasm
Which of the following best describes the function of the nucleus?
A. The nucleus contains genetic information and acts as the control center of the cell.
В.
The nucleus is made up of a gel-like fluid that is the site of most chemical reactions in the cell.
OC.
The nucleus is the energy-producing site of the cell where respiration takes place.
Answer:
A)
Explanation:
The nucleus contains genetic information and acts as the control center of the cell. B) is also partially true but A) is the important part about the nucleus.