Answer: They may be wind blown, rain splashed, carried by animals, or moved in soil or water. Almost all short-distance spread is through these natural dispersal mechanisms. In their home territory, short distance spread is rarely a problem because the resident plants and animals have evolved to coexist more or less peaceably.
Explanation:
Humans can help in the spread of invasive species.
What is an invasive species?It is a species that is not naturally present in an area ("not native") and when introduced in that area disturbs the ecosystem.For example, Eichhornia crassipes, cane toad, etc.How can human spread the invasive species?Humans can help in the spread of invasive species:
A species is introduced due to its beauty - because of its beautiful flowers and leaf shapes, the water hyacinth was brought to India.It is a contaminant of a species that is introduced - Parthenium is thought to have arrived in India as a contamination in PL 480 wheat from the United States.They may be brought accidentally- Zebra mussels arrived in North America's Great Lakes by accident, clinging to big ships.To control the population of other species - Small Indian mongooses were introduced with the goal of controlling rats that were ruining the sugarcane crop.To learn more about species, invasive species, population and ecosystem here,
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Which of the following is a function of the lymphatic system?
a.
filters blood
c.
produces red blood cells
b.
absorbs nutrients
d.
produces bone marrow
Please select the best answer from the choices provided
A
B
C
D
The sun reaches its highest point in the Northern sky (North of the equator) on the:
A. Summer solstice
B. Winter solstice
C. Vernal Equinox
D. Autumnal Equinox
Answer:
A . Summer solstice... around June 21
amino acid is to protein as _____ is to dna
What nitrogen base pairs with Adenine?
Answer:
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Explanation:
Answer:
Thymine.
Explanation:
The best way to remember these nitrogen base pairings is by using a common acronym. Think Apple Tree and Car Garage. Apple represents Adenine and Tree represents Thymine. Car represents Cytosine, and Garage stands for Guanine. This memory trick can help remember the nitrogen base pairs.
how do lizards regulate body temperature in winter?
Answer:
Lizards are experts in thermoregulation and are able to maintain an ideal body temperature most of the time. Lizards hibernate in winter if the weather is too cold for them to reach the required body temperature.
Explanation:
reptiles regulate their body temperature through what is called thermoregulating . simply put this means basking in a warm area to heat up and moving to a cool are to cool down ..... reptiles hibernate in winter if the weather is too cold for them to reach the required they body temparature
how you know that horses are related to other animals?
Answer:
their bone structure
Explanation:
Horses belong to a group of mammals with an odd number of toes. That rules out mammals with two toes, or "cloven hooves," like goats, pigs, cows, deer, and camels. So who are the other odd-toed, plant-eating animals? Most members of this group, known as perissodactyls, are extinct.
As the territory of Africanized bees continues to expand, what is the most likely outcome?
Answer:
Competition among nectar- and pollen-feeding invertebrate pollinators and resource partitioning are affected by introduced Africanized Honey Bees. When Africanized Honey Bees compete with other species of honey bees for flowers, the Africanized bees may displace the other bees from the food sources.
A wave along a guitar string has a frequency of 450 Hz and a wavelength of 3.5 meters.
Calculate
the speed of the wave. Show the formula and show your calculation.
Answer:
1575
Explanation:
speed = wavelength ×frequency
Our wavelength is 3.5 and our frequency is 450 we've been told to find the speed so we multiply the two which gives us 1575
In which of the following organisms did photosynthesis most likely first
evolve?
A. Algae
B. Prokaryotes
C. Plants
D. C4 plants
The following organisms did photosynthesis most likely first evolve - B. Prokaryotes
Sufficient evidence indicates that eukaryotic photosynthesis originated from endosymbiosis of cyanobacterial-like organisms
ultimately these prokaryotes became chloroplasts in eukaryotic cells.So the evolutionary origin of photosynthesis is to be found in the bacterial domain.The geological record indicates that this transforming event took place early in Earth's history, at least 2450–2320 million years agoThus, The following organisms did photosynthesis most likely first evolve - B. Prokaryotes
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Which is not a shape that viruses can come in?
A- Round
B- Bacteriophage
C- Triangle
D- Threadlike
Which system includes all life on Earth?
A biosphere
B cryosphere
C geosphere
D hydrosphere
Answer:
Biosphere
Explanation:
contain all the planets living things
true or false?
Carnivores include lions, polar bears, hawks, frogs, salmon, and deer.
alafood chain
Answer:
false
Explanation:
deer are not carnivores
a carnivore is an animal that only eats meat, and some of these animals also eat plants (like baby frogs/tadpoles, which are herbivores)
[herbivore: only plant]
[omnivore: plant and animal]
[carnivore: only animal]
[decomposer: dead organisms]
Of the four points shown on the diagram, deposition is greatest at points
Answer: I would say B and C.
Explination: Deposition is material deposited in a new spot. On points B and C, it appears the residue from the water would end up on those river banks.
gregor mendel is best known for his work with pea plants and for helping uncover many of the mysteries of genetics. one of his major findings stated that there were specific , physical units of inheritance that are transmitted during reproduction. what is the name given to these units of inheritance which can be found on chromosomes?
Answer:
Genes
Explanation:
Genes are the specific unit of inheritance that are transmitted through reproduction.
A student is looking for evidence that spindle fibers are separating
chromosomes during cell division. Which cell is the student looking for
below?*
The following is a growth curve of bacteria. What type of growth curve is pictured? A) linear growth B) logistic growth C) exponential growth
Answer:
C) exponential growth
In the given figure, exponential growth curve is pictured.
What is exponential growth?It is the pattern of data, which demonstrates greater enhancements with passing time, giving rise to a curve of an exponential function. During the growth cycle of bacteria, the cells of bacteria goes through different phases, that is:
Lag phaseExponential phaseStationary phaseDeath phaseIn the case of bacteria, the cells enter the log or the exponential phase after the lag phase. This is the time when the cells get differentiate by the process of binary fission and double in numbers after each generation time.
In this pattern of growth, the metabolic activity is high as RNA, DNA, the components of the cell wall, and other substances essential for growth are generated for differentiation.
Thus, the pattern of growth demonstrated in the given figure is exponential growth.
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Which organisms does the rabbit eat ?
Answer:
Plants /producers
Explanation:
Hope this helps and have a great day!!!!
Answer:
plants,broccoli,Brussels sprouts,seeds,roots etc.
Explanation:
I hope it will help u
a transcribed strand of mRNA has the sequence of UACGA what was the DNA sequence and where does the mRNA need to go next
Answer:
f
Explanation:
f
Answer:
ATGCT, mRNA needs to go out of the nucleus to the cytoplasm to bind to a ribosome.
Explanation:
mRNA strand: UACGA
complementary strand (DNA): ATGCT
in DNA & RNA:
C = G
in DNA:
A = T
in RNA:
A = U
( DNA nitrogen bases: A, T, C, G ..... RNA nitrogen bases: A, U, C, G)
and you better review protein synthesis to know more about mRNA
Stay curious!!
What part of the water cycle is in the atmosphere?
good morning ,have a great day ahead.
is mars Held in orbit by the gravitational pull of a planet
Answer:
No
Explanation:
Mars orbits the Sun, a star. The Sun's gravity keeps Mars in orbit, not a planet.
Good luck ^^
2
Which of the following traits is encoded in your DNA?
A
Your personality
B
Your likes and dislikes
C
Your intelligence
D
Your eye color
Answer:
D
Explanation:
it's your eye color because DNA makes up the genetic aspects of you. The other choices are something you can choose to improve or change.
Eye color trait is encoded in the DNA. So, the correct option is D.
What are Traits?A phenotypic trait is defined as a clear, observable and measurable characteristic of an organism that is the expression of genes in an observable manner. An example of a phenotypic trait is a specific hair color or eye color.
This is described as a distinctive characteristic of an individual that can be determined by genes, environmental factors, or a combination of both. Characteristics can be qualitative for example, as eye color) or quantitative for example, height or blood pressure.
Thus, Eye color trait is encoded in the DNA. So, the correct option is D.
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PLS HELP ME AND I WILL MARK BRAINIEST
Answer:
1. Loan
2. Financial
3. Flexible
4. Future
5. Interest
Explanation:
Distinguish between apocarpous and syncarpous
What are the sources of the energy that drives the earth’s processes?
Select one:
A. The sun and the earth’s interior.
B. The sun and chemical reactions.
C. The earth’s interior and chemical reactions.
D. The earth’s interior and gravity.
Answer:
Most of the energy in the Earth system comes from just a few sources: solar energy, gravity, radioactive decay, and the rotation of the Earth. Solar energy drives many surface processes such as winds, currents, the hydrologic cycle, and the overall climate system.
Explanation:
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Soil erosion can increase when humans remove trees and other vegetation from an area. What
is this process called?
A. decomposition
B. conservation
The potential energy stored in the nucleus of an atom is
Answer:
Nuclear energy
Explanation:
a given gene sequence contains 49 adenine base pairs. how many thymine bases will be included in the RNA strand?
a. 49
b. 98
c. 24
d. 0
Answer:
b
Explanation:
If there are 49 pairs you would have to multiply it by 2 to get your original number.
The fundamental and functional elements of genetics are called genes. it is composed of thread-like DNA structures found in the coiled form. Genes direct the formation of the proteins required for cellular activities.
0 thymine bases will be included in the RNA strand.
How to know the number of nucleotide bases?In a DNA or RNA molecule, the number of nucleotide bases is given by Chargaff's rule. Nucleotide bases are the structures of the purine and the pyrimidine rings.According to the base-pairing rule, an adenine base will always pair with thymine in DNA and uracil in the RNA molecule similarly the guanine will bond with the cytosine in the DNA or RNA molecules and vice versa.As the RNA molecule does not have thymine but codes for uracil will not base pair with the complementary adenine base.Therefore, option d. 0 thymine will be included in the RNA strand.
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4. Which is not a common poison?
Answer:
Do you have the options?
the phase in the life cycle of a plant that produces spores
Answer:
Plants have two distinct stages in their lifecycle: the gametophyte stage and the sporophyte stage. After reaching maturity, the diploid sporophyte produces spores by meiosis, which in turn divide by mitosis to produce the haploid gametophyte. The new gametophyte produces gametes, and the cycle continues.
Explanation:
Answer:
plants have multicellular haploid and multicellular diploid stages in their life cycle. Gametes develop in the multicellular haploid gametophyte (from the Greek phyton, “plant”). Fertilization gives rise to a multicellular diploid sporophyte, which produces haploid spores via meiosis.
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the
1. Which processes would both unicellular
and multicellular organisms perform?
A. Eating and finding shelter
Remove waste and make their own
food
C. Grow and reproduce
Talking and breathing