Answer:
A giraffe would not be able to survive in a city due to the smog factors such as buildings, streets, and sewage
Explanation:
How does the support structure of echinoderms differ from that of arthropods?
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Answer:
I would say the main difference is their covering. Arthropods have an exoskeleton, which protect their soft bodies while echinoderms have living endoskeletons. Overall, arthropods are more closely related to nematodes than echinoderms.
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Give two examples of tissues that are different in a mature stem than they are in a young stem.
Explanation:
Like animals plants multicellular eukaryotes whose bodies are composed of orangs tissues and cells with the highly specialized functions. The relationships between plant organs tissues and cell types.
how is the structure of a nerve cell specialised to carry out its functions
Answer:
A typical neuron consists of a cell body (soma), dendrites, and a single axon. The soma is usually compact. The axon and dendrites are filaments that extrude from it. Dendrites typically branch profusely and extend a few hundred micrometers from the soma. The axon leaves the soma at a swelling called the axon hillock (the axon hillock also has the greatest density of voltage-dependent sodium channels. This makes it the most easily excited part of the neuron and the spike initiation zone for the axon) and it branches but usually maintains a constant diameter. At the farthest tip of the axon's branches are axon terminals, where the neuron can transmit a signal across the synapse to another cell.
In general, dendrites receive the electrical signal from other neurons, and this signal is transmitted over long distances from the axon.
Like all animal cells, the cell body of every neuron is enclosed by a plasma membrane, a bilayer of lipid molecules with many types of protein structures embedded in it. A lipid bilayer is a powerful electrical insulator, but in neurons, many of the protein structures embedded in the membrane are electrically active. These include ion channels that permit electrically charged ions to flow across the membrane and ion pumps that chemically transport ions from one side of the membrane to the other to generate the action potential that generates the electrical signal. They also have a highly developed synthetic apparatus for the production of neurotransmitters
which led to the development of Penicillina??
Answer:
Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming as a crude extract of P. rubens. Fleming's student Cecil George Paine was the first to successfully use penicillin to treat eye infection (ophthalmia neonatorum) in 1930.
Explanation:
Answer:
Is that you?????
Explanation:
What qualities have human promoted through selective breeding (artificial selection)?
Explanation:
Humans have selectively bred plants and animals for thousands of years including: crop plants with better yields. ornamental plants with particular flower shapes and colours. farm animals that produce more, better quality meat or wool.
Asexual reproduction of organisms normally results in new organisms that contain cells with
Answer:
Explanation:
cell that contains two complete sets of chrom ... reproduction of diploid 0rg~~-ms normally results in new 0rga~-~~ms that ... what would most likely happen if miis was not accompanied by cytoplasmic division .
Answer:
the same number of chromosomes found in the cells of the parent
Explanation:
A person with type O blood is married to a person with type A blood (unknown genotype). They have 6 children, 3 of them have type A blood, three of them have type O blood. What is the genotype of the two parents?
Answer:
Ao & oo
i don't really know if the answer is this....
Answer:
Oo
Explanation:
1 point
8. Which one of the following would you use to separate sand from iron
filings?
a bar magnet
filter paper
chromatography paper
alum
of substances may best be separated
Question 20 of 30
If a scientist's data are contaminated, what is the best course of action?
A. The scientist should restart the experiment at a step prior to
contamination.
B. The scientist should draw conclusions based on the contaminated
data
C. The scientist should continue with the experiment and hope for
the best.
D. The scientist should change the hypothesis to take the
contamination into consideration,
Answer:
A. The scientist should restart the experiment at a step prior to
contamination.
Explanation:
(HELP) what types of elements that bond with ionic and covalent bond.
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what are the bases found in DNA
The stain used for staining the muscle slide is
(a) safranin. (b) acetocarmine. (c) iodine. (d) methylene blue.
Answer:
a is used in rare cases mostly for cartilage detection b is used for acid and c is used for starches blue is used to see life and if you're doing like a cotton swab of muscle then this is the answer
Explanation:
What would MOST describe the environment found in Ireland? a. Vast green lands
b. Mountains and hills
c. Dry deserts
d. Rainforests with lots of trees.
When warm air cools, it
rises
creates prevailing winds.
loses the ability to hold water vapor.
gains the ability to hold water vapor.
loses the ability to hold water vapol
This system perpares food for cellular utilization.
Answer:
The answer is
The digestive system prepares food for the cellular utilization.
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HELPPP
HURRYYYYYYYYYY
Answer:
The results of restoration of this kind can include improved habitats for fish, birds and other wildlife, protection against flooding, better water quality, enhanced recreational opportunities, and increased economic opportunities through activities such as commercial fisheries and tourism.
Explanation:
There are no carriers for Huntington's Disease -- you either have it or you don't. With this in mind, is Huntington's disease caused by a dominant or recessive trait?
a) dominant
b)recessive
c)It cannot be determined
d)It varies depending on whether an individual has one or two copies of the allele
The three arrows in the diagram each represent a process known as?
(1) mitotic cell division
(2) meiotic cell division
(3) fertilization of gamete cells
(4) differentiation of tissues
Answer:B
Explanation:
ovaries and testis are also called
Answer:
reproductive organs...hope it will help you
what is the second biggest insect on earth
Answer:
probably a big spider
Explanation:
4
A neurone is a type of specialised animal cell.
(a) (i) Neurones develop from unspecialised cells.
State the name of these unspecialised cells.
Answer:
Stem cells
Explanation:
Stem cells are immature or unspecialized cells
Neurons develop from unspecialized cells and unspecialized cells are stem cells.
What are the functions of stem cells?
Embryonic stem cells are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage pre-implantation embryo. Human embryos reach the blastocyst stage 4–5 days post fertilization.
Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells.
The cells of the bone marrow produce all of your healthy blood cells, including red blood cells, white blood cells, and platelets.
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what is the cocoon in the lifecycle of silkworm?
Answer:
A cocoon is a protective casing that protects and shelters the silkworm while its transitioning from predators and other threats. Within the cocoon the silkworm transitions into a pupa, the pups is the stage between the larvae and adult moth. After two weeks the pupa finishes it's transition into a moth.
Celula encargada del desdoblamiento de material disuelto en las células, por medio de enzimas encargadas de reciclar todo todos el material químico disponible
Answer:
Si.
Explicación:
Sí, la célula es responsable del despliegue del material disuelto en las células con la ayuda de enzimas que se encarga de reciclar todos los materiales químicos disponibles. Los materiales tomados por la célula del entorno exterior se pueden descomponer en moléculas más pequeñas con la ayuda de enzimas que aceleran las reacciones químicas en la célula. Hay varias enzimas presentes en el citoplasma de la célula que realiza su función.
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Question: What is the ground breaking research that involves protein synthesis?
Answer:
Protein synthesis is the process through which cells capture DNA and chemical which cells read DNA and build the molecular components of new cells
Explanation:
Explain how migration causes population size to change over time
Answer:
Migration causes the population to change because things are going in and out of an area, so the population of the area changes.
Explanation:
HELP!!!!! 50PTS!!!!!!
Most Swiss starlings produce four to five eggs in each clutch. Starlings producing fewer or more than this have reduced fitness. Which of the following terms best describes this situation? (3 points)
The bottleneck effect will result in a small gene pool with little genetic diversity.
Directional selection will happen because the population individuals will be unable to adapt, leading to extinction.
Disruptive selection will result in the population of birds' risk decline, due to reduced number of eggs.
Genetic diversity allows for birds to produce an ideal number of eggs, which leads to stabilizing selection. I think is D
Answer:
D: genetic diversity allows for birds to produce an ideal number of eggs, which leads to stabilizing selection.
Explanation:
Genetic diversity allows for birds to produce an ideal number of eggs, which leads to stabilizing selection. The correct option is D.
What is genetic diversity?The spectrum of various inherited traits inside a species is referred to as genetic diversity.
There would be many individuals with a wide range of different traits in a species with high genetic diversity. For a group of related species to adapt to changing environments, genetic diversity is mandatory.
Genetic diversity aids the populations to adapt to altering environments. More variation boosts the likelihood that some individuals in a population will have allele variations that are suited to the environment. Those people are more likely to survive and have children with that allele.
Birds can produce an optimal number of eggs due to genetic diversity, which leads to stabilizing selection.
Thus, the correct option is D.
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what is the functions of glucose in Living Organism
Answer:
Its used as energy for the cell
Maintaining safe water for drinking is an important goal for municipal water supply strategy. One of the last step
in drinking water treatment includes disinfection, a process that is used to
O A. remove chlorine from water
O B. kill waterborne pathogens
O C. add iodine to prevent goitre
O D. remove mercury water
Help me please will mark
Answer:
C. predation
Explanation:
The limiting factor that is being displayed when a fox chases a pika is predation.
Limiting factors can be referred to as those features in the environment which actually leads to the limitation in the growth, distribution or availability/abundance of an organism or population of organisms in an ecosystem.
In the predation limiting factor, as the population of the prey decreases, the population of the predator starts to decrease as well. In other words, we can say that one factor limits the growth of the other factor.