Answer:
Castration is any action, surgical, chemical, or otherwise, by which an individual loses use of the testicles. Castration may be accomplished by physical, chemical or hormonal techniques. Testicles may be removed surgically or killed by obstructing the blood supply. Young calves may be castrated with rubber rings.
With floral characteristics, can one predict the type of pollination that can occur in a flower?
Answer:
Try this website: https://www.fs.fed.us/wildflowers/pollinators/What_is_Pollination/syndromes.shtml
Explanation:
Does a virus have DNA, RNA, or both to carry its genetic material
Answer:
it was one of either it depends so Both
Explanation:
What are the benefits of being a poisonous plant in
the Rain Forest
Answer:
being poisonous plant helt a plant to not b eaten by pests
Explanation:
plants grow well without being affected
question on picture for biology
Answer:
water enteringthrough the lungs
Explanation:
hope it's correct
Answer:
water entering through the lungs
Explanation:
imagine a species of butterfly that comes in in a variety of colors
Please help and thank you I do not want my points wasted
In your opinion, what is the WORST Environmental Impact of Invasive Species? Ready? Enter your answer here.
Answer:
destruction of native species
Explanation:
Invasive species are destructive. They ruin ecosystems in which everything has a role, and all niches are full. With an invasive species, such as Pablo Escobar's hippos. A drug lord of South America had several hippos transported to his estate. Even after he died, the hippos flourished in South America. This was a perfect environment for the hippos as they had plenty to eat, and no threat where in Africa they would compete with lions, crocodiles and such. But the hippos just kept multiplying, eating food otherwise for native species, and destroyed the land with their size. The hippos endangered several species in the surrounding area at the cost of their easy living, as well as the people around.
Long story short, destruction of native species.
Define lytic and lysogenic infections
Answer:
lytic involves the reproduction of viruses using a host cell to manufacture more viruses; the viruses then burst out of the cell. lysogenic involves the incorporation of the viral genome into the host cell genome, infecting it from within.
Explanation:
Answer:
lysogenic infections are when the DNA is only replicated and lytic infections are when the DNA is multiplied and proteins are able to form
Explanation:
Gaining Insight into Depositional Environments of Sedimentary Rocks
Name: ________ Course:____________
Section:_______ Date:_____________
Sedimentary structures, fossils, cements, and other features of sedimentary rocks provide insight into the environment in which the sediment was deposited.
Match each of the features in the left-hand column to an aspect of the depositional environment listed in the right-hand column by placing the corresponding letter in the proper blank.
Rock and/or feature of the rock
(a) poorly sorted arkose
(b) contains fossils of intact coral
(c) red mudstone containing dinosaur footprints
(d) black shale containing some pyrite crystals
(e) sandstone containing symmetrical ripples
(f) cross-bedded sandstone
(g) contains > 50% carbon and fossil leaves
(h) contains large, rounded pebbles and cobbles (contains fossils of feathers G very angular grains
Aspect of the depositional environment
1. deposited in a desert dune or in a current
2. formed from sediments accumulated in a swamp
3. deposited in very quiet (stagnant) water
4. deposited in an anoxic marine setting
5. deposited by a swiftly moving stream
6. formed from warm-water, shallow marine reef
7. has not undergone a lot of transport immature,
8. deposited close to the source
9. formed from terrestrial mud (riverbank deposits)
10. deposited on a beach
Answer:
(a): 7. and 8.
(b): 6.
(c): 9.
(d): 4.
(e): 10
(f): 1.
(g): 2.
(h): 5. and 3.
Explanation:
Sedimentary rocks are rocks generated from pre-existing rocks and/or once-living organisms. Arkose is a type of sandstone rich in feldspar (at least 25% of this mineral). Moreover, a rock containing coral fossils indicates that its depositional environment was located in warm tropical reef waters. Mudstone is a kind of sedimentary rock composed of clay (in this case, sediments continued to be deposited above the dinosaur footprints). The black shales are fine-grained sedimentary rocks composed of a mixture of clay (in this case, the pyrite crystals are used as an indicator of low oxygen). Symmetrical ripple marks in the sandstone indicate a marine environment where water motion was dominated by wave oscillations. Cross-bedding is a common structure of sedimentary rocks that form during deposition on inclined surfaces of bedforms (e.g., ripples and dunes). Sediment deposition in swamps is usually heavily vegetated and therefore they are rich in organic matter, while deeper swamp sediments are generally anoxic. Finally, cobblestones are naturally occurring cobble-sized stones formed from the flow of water and gathered from stream beds, while pebblestones are formed when water bodies hit the giant rocks in the rivers and lakes.
On a distance-time graph, a car standing still is shown with ____.
A. line curving down
B. line curving up
C. straight, horizontal line
D. series of dots getting closer together
(science)
Answer:
yess i think it is c as well
Explanation:
hope you have a great day
Turtiple choice worth 3 points)
Examine the following diagram. Which of the following layers is or are older than layer D?
D
А
Public Domain
A only
C only
A and B
A, B, and C
Large and small particles are found mixed in a fast-moving stream. What type of erosion is this?
A. Suspended load
B. Traction load
C. Dissolved load
D. Bed load
I think the answer is bed load
Explanation:
bed load describes particles in a flowing liquid that is transported along the stream bed
A bed load includes large and small particles are found mixed in a fast-moving stream. The correct option is D.
What is a bed load?The descriptor bed load or bedload refers to particulate in a flowing fluid basically water that are carried anywhere along stream bed. Bed load works in tandem with suspended load and wash load.
Conventionally, parameters of bedload have been taken by placing samplers in contact with the bed and permitting the sediment transferred as bedload to accrue (or be trapped) inside the sampler for a certain amount of time before raising the sampler to the surface and emptying the material.
Once the critical boundary shear stress is exceeded, coarser grained material tends to move in intermittent contact with the bed.
This movement, known colloquially as "bedload transport,"
Thus, the correct option is D.
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How does the population of red-tailed hawks affect the population of prairie dogs living in the meadow? How does the population of prairie dogs affect nonliving parts of the meadow, such as soil? Help, please.
Answer:
Explanation:
Red tailed hawks will often prey on prairie dogs. The hawks will eat the prairies dogs so they will lessen the population. Prairies dogs create more fertile soil, so this allows plants to germinate, or grow. This results in more food for prairie dogs and thus more food for hawks.
Which of the following defines an ecological succession
Answer:Ecological succession is the process that describes how the structure of a biological community (that is, an interacting group of various species in a desert, forest, grassland, marine environment, and so on) changes over time. The structure of this community becomes more complex as new species arrive on the scene.
Explanation:
What is the difference between genetic drift and natural selection?
Genetic drift is the random increase or decrease of certain genes in a population; natural
selection is not random.
Genetic drift is the selection of random traits in a population; natural selection is the
selection of specific traits.
Genetic drift is the frequency of genes in a population; natural selectic is the frequency
of adaptations in a population.
Genetic drift is the change in a population's genes over time; natural selection is the
evolution of a population over time.
Which statement best describes an exponential model of population
growth?
Answer:
The Exponential Equation is a Standard Model Describing the Growth of a Single Population. The easiest way to capture the idea of a growing population is with a single-celled organism, such as a bacterium or a ciliate.
Explanation:
Explain how ocean temperatures affect the climate of coastal cities.
Answer:
Explanation: Warm ocean currents heat the air above the water and carry the warm air to the land, increasing the temperature of the coastal region. The same is true for cold ocean currents, except that they carry cooler air to the land and lower the temperatures of the coastal region.
Answer:
Warm and cold ocean currents can influence coastal climate, but only when local winds come in from the sea. Warm winds heat the air over the ocean, causing temperatures to rise over land. Cold currents will cool the air and add cooler temperatures to the land.
Explanation:
For the human population to increase in size, what must exceed the death rate?
birth rate
mortality
limiting factors
carrying capacity
Answer:
carrying capicity
Explanation:
the carrying capacity is the amount of species or organisms that can live in a given environment without altercations. So the carryong capicity would have to increase so that more organisms can occupy the given space.
Answer: Birth Rate
Explanation:
Where does the energy come from to make ATP in the light reactions?
Answer:
Figure 19.2. The Light Reactions of Photosynthesis. Light is absorbed and the energy is used to drive electrons from water to generate NADPH and to drive protons across a membrane. These protons return through ATP synthase to make ATP.
Explanation:
thank me later
Please match the following terms with the appropriate definitions.
Distance
[ Choose ]
Displacement
[ Choose ]
Slope
[ Choose ]
SI unit for speed and velocity
[ Choose ]
SI unit for acceleration
[ Choose ]
The role of the 23S rRNA of the large ribosomal subunit of E. coli during protein synthesis is: Question 50 options: helps to form the A site within the ribosome contributes to the process of translocation during the elongation stage of protein synthesis none of these choices is correct actively forms a peptide bond by acting as a ribozyme aid in initiation of protein synthesis
Answer:
Actively forms a peptide bond by acting as a ribozyme aid in initiation of protein synthesis.
Explanation:
The role of the 23S rRNA of the large ribosomal subunit of E. coli during protein synthesis is the formation of a peptide bond by acting as a ribozyme aid in initiation of protein synthesis. 23S rRNA has an important function of peptidyl transferase. Both peptidyl-tRNA and aminoacyl-tRNA are necessary for synthesis of protein and transpeptidation response. The 23S rRNA positions have a significant function in the binding of tRNA in P site of the large ribosomal subunit.
which part control one direction transmission of impulses
How does de-icing roads with salt negatively impact the environment? a. The road salt attracts deer that are then hit by motor vehicles. b. It removes necessary salt from the local water courses. c. The high salinity of the surface runoff is harmful to freshwater ecosystems. d. The salt harbors salt eating bacteria that are toxic to animals.
Answer:
c. The high salinity of the surface runoff is harmful to freshwater ecosystems
Explanation:
Looks the most plausible!
The negative effects of deicing roads is that the high salinity of the surface runoff is harmful to freshwater ecosystems.
What is deicing of roads?Deicing refers to the process whereby certain substances are used on the road to melt ice found on the road.
Deicing of roads is usually done with salts which lowers the freezing point of water, thus melting the ice.
The negative effects of deicing roads is that the high salinity of the surface runoff is harmful to freshwater ecosystems.
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the development of lateral roots is intiated by the the cork or periderm
Answer:
Because lateral roots are initiated in the pericycle and grow out through the cortex and epidermis, they are said to have an internal, or endogenous, origin, in contrast to the external, or exogenous, origin of leaves and the apical meristem of stems (see below Stems).
Explanation:
Which of the following conditions is an X-linked disorder?
A.
cystic fibrosis
B.
color blindness
C.
variegation
D.
Down syndrome
E.
sickle cell anemia
Answer:
THE ANSWER IS B I THINK
Explanation:
RJEBEJRHRHRRHRH
In DNA, a sequence of three bases is a code for the placement
of a certain amino acid in a protein chain. The table shows some
amino acids with their abbreviations and DNA codes.
Which amino acid chain would be produced by the DNA base
sequence below?
C-A-A-G - T- T - A-A-A-T - T-A
Which statement best describes how the visible energy from the sun is different from the non visible energy.
answer choices:
A. it travels at a different speed.
B. it travels at a different distance.
C.it has different wavelengths.
D. it has different amplitudes.
Plz help ty ;D
Answer:
A.it travels at a different speed
bisible energy from the sun is different from the non visible energy.
Elements in the same column of the periodic table of the elements all
A. have the same number of protons.
B. share the same atomic structure.
C. have similar physical characteristics.
D. share the same number of neutrons
Answer:
C
Explanation:
elements in the same column have different number of protons and different number of neutrons.
Elements in the same column of the periodic table of elements all share the same atomic structure. Thus, the correct option for this question is B.
What is the similarity in the elements that belong to the same column?Each column is called a group. The elements in each group have the same number of electrons in the outer orbital. Those outer electrons are also called valence electrons. They are the electrons involved in chemical bonds with other elements.
The number of protons governs the atomic number of an element. So, elements never have the same number of protons. The number of neutrons along with protons governs the atomic mass of an element which also never remains the same.
The physical characteristics of any element depend on the majority of the attributes. So, it may also vary from element to element.
Therefore, elements in the same column of the periodic table of elements all share the same atomic structure. Thus, the correct option for this question is B.
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(HELP IM CLUELESS) Biodiversity
542 500
450 400 350 360 250 200 150 160 60
Millions of years ago
Examine the graph that shows the changes in biodiversity over the past 500 million years. Analyze the graph at each of the yellow
triangles. Select the options below that correspond to the events occurring at the yellow triangles. Select ALL that apply.
A)
B)
C)
The change in biodiversity was most stable at the times indicated by the
yellow triangles.
There have been five mass extinction events, with the earliest occurring at
450 million years ago.
Species were evolving faster than the extinction rates, resulting in new
species forming quickly over time.
Humans were altering the environment too quickly with deforestation and
climate change, resulting in many lost species in a short period of time.
The environment was changing faster than the species were adapted at the
time points labeled by the yellow triangles, resulting in a loss of species.
D)
E)
Answer:
B) There have been five mass extinction events, with the earliest occurring at 450 million years ago.
E) The environment was changing faster than the species were adapted at the times points labeled by the yellow triangles, resulting in a loss of species.
Explanation:
The picture above shows some of the organs of the human body. Which organ does the letter W point to?
Answer:
I'm sorry but there is no picture above you-