Suppose the total area of a habitat is 200m2 and 1m2 quadrant is placed in randomly selected areas . If the average number of plans species in 20 randomly selected area of the habitat is 2 , what will be the number of plant species of the habitat .
Answer:
400 plant species
Explanation:
The average number of species in 20 randomly selected area = 2
Size of quadrat = 1 m2
Total size of habitat = 200 m2
Population density per 1 m2 = 2
if 2 plant species occupy 1 m2 of the habitat area, then the number of plants that will occupy 200 m2 equals:
2 x 200 = 400 plant species
Which of the following cells could not contain tetrads?
Answer:
haploid cells
Explanation:
plz help!!! Gall flies lay their eggs in developing shoots of the tall goldenrod. When the fly larvae hatch, they release chemicals that cause the plant tissue to swell around the larvae, causing a resultant gall to form. The gall flies are prey for the parasitic wasp that lays its eggs in the smallest galls. After the wasp larvae hatch, they eat the fly larvae. The gall fly is also prey for the downy woodpeckers that feed on the larvae of the largest galls. Which type of natural selection may the gall fly be subject to?
Directional selection
Disruptive selection
Normal distribution
Stabilizing selection
im so confused
Answer:
stabilizina selection
Explanation:
As given in the question, the galls may be smaller or larger. However the eggs laid in smaller gallsare prey to wasps, hence they are destroyed
4. What is an enzyme, and what is its role in a reaction?
Answer:
an enzyme is a protein which is used to break down food
Explanation:
Answer: An enzyme breaks down food
Explanation:
Someone please HELP!!!!!!
If a horse has 40 chromosomes in its heart cells there will be blank chromosomes in its tail cells and blank chromosomes in its egg cells
Answer:
40 in tail and 20 in egg cells.
Explanation:
If a horse has 40 chromosomes in its heart cells so there will be 40 number of chromosomes in its tail cells and 20 number of chromosomes in its egg cells because tail is also a part of body where mitosis type of cell division occurs means there is diploid number of chromosomes, while on the other hand, egg cells are the reproductive part where meiosis type of cell division occur in which haploid number of chromosomes are present.
Why is good communication particularly important in forestry? Explain your answer.
Answer:
Good communication is particularly important in forestry because poor behavior will reflect badly on the employee and the employer. Bad communication also leads to miscommunication as well.
1. Given the double-stranded stretch of DNA below, determine the base sequence of
messenger RNA strand produced using this gene as the template. *Hint: Only one of the
two strands is used as the template.
5'ATGCCATTGCTTAAGCGGGCATTATATCCAAGA 3'
3' TACGGTAACG AATTCGCCCGTAAT ATĄGGTACT 5
AUGCCAUUGCUU AAG-CGG-GCAULAUAU CCA UGA
How many amino acids will this protein contain?
Answer:
AUG-CCA-UUG-CUU-AAG-CGG-GCA-ULA-UAU-CCA-UGA
so 11
Explanation:
because every 3 bases code for 1 amino acid and to make it easier to count split into 3 so u can count easily.
hope this helps :)
Hey, I need help with biology. Thanks.
Answer:
I think it's d
Explanation:
I might be wrong and if so I'm sorry
how far is the earth away from the sun
Which of the following is the best definition for the term "evolution"?
Group of answer choices
A change in the frequency of genes in a population over time
A measure of the successfulness of the most fit creatures in a population
A measure of the change of a specific trait in an individual over time
A change in the shape of an individual or group over time
A change in the abilities of the strongest creatures in a population
Answer:
it is option c
Explanation:
In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection.
A chromosome has an inversion.which describes a pericentric inversion
Pericentric inversion:
a chromosome in which a segment of a chromosome is reversed end to end, then put back into place.
The question is the primary producer in this ecosystem is the -
Answer:
Its plant
Explanation:
Although sound can be heard, it is not
considered to be matter. Which of the
following best explains this?
A. Sound cannot be captured for analysis by scientists.
B. Sound exhibits qualities of both energy and matter.
C. Sound cannot be measured.
D. Sound does not have mass nor does it take up space.
Answer:
D
Explanation:
all the others dont make sense
In contrast to other sounds, the sound is the movement of a pressure wave across a medium of particles. Being a wave, it is not regarded as a kind of substance, hence option D is correct.
What are the characteristics of sound?Because the molecules of a solid are closer together and can transfer vibrations more quickly, sound passes through solids more swiftly than through liquids and gases.
Since gas molecules are the farthest apart, sound moves through them at the slowest speed, it instructs the mind to decipher the incoming sound.
The energy comes from an outside source, such as singing or drumming. It may also be viewed as the vibrations moving through the material world.
Therefore, the physical vibration waves that pass through the air to reach the ears are referred to as sound energy, hence option D is correct.
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What is the initial stage of all stars?
A) nebula
B) black hole
C) supernova
D)white dwarf
Answer:
A) nebula
Explanation:
A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts. Once a star has “turned on” it is known as a main sequence star.
Answer:
nebula
Explanation:
stars start in a nebula
Match these objects with their best description.
Jupiter
Mars
Mercury
Pluto
Saturn
smallest of the terrestrial
planets
most habitable other than
Earth
has the most visible rings
has the giant red spot
is a Kuiper belt object
Answer:
Jupiter - Giant red spot
Mars - Most habitable other than earth
Mercury - Smallest terrestrial planet
Pluto - Is a Kupiter belt object
Saturn - Most visible rings
Answer:
jupiter = giant red spot
mars = most habitable other than earth
mercury = smallest terrestrial planet
pluto = is a kuiper belt object
saturn = most visible rings
Inserting normal genes into cells with genetic mutations is called.
Group of answer choices
stem cell research
gene therapy
mutating
chromosomes
What were some number of possible solutions to air pollution?
It is believed that neutral mutations (mutations that have neither a positive or negative effect) accumulate at a exponential rate over time.
True
False
The statement 'neutral mutations (mutations that have neither a positive or negative effect) accumulate at an exponential rate over time' is False.
What is a mutation?A mutation is any alteration in the nucleotide (DNA) sequence of an organism's genome.
Mutations can be neutral, beneficial, or deleterious depending on the environment in which an organism lives.
In conclusion, the statement 'neutral mutations (mutations that have neither a positive or negative effect) accumulate at an exponential rate over time' is False.
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help please
Two children and their dog are outside. The children are skating, and the dog is eating. It begins to rain, and the children and dog rush inside so quickly that it causes them to breathe more rapidly. When they are inside, the children dry their hair using towels, and the dog dries it's fur by shaking it's fur.
Look at the list of actions below:
1. The children skating
2. The dog eating
3. The children breathing more rapidly
4. The dog breathing more rapidly
5. The children using towels to dry their hair
6. The dog shaking it's fur to dry it's fur
Which actions best represent inherited behaviors?
A - 2,3,4,6
B - 2,4,6
C - 1,5
D - 1,2,3,4,5,6
Answer:
The answer is A because the other actions the child thinks of doing or was taught to do
Answer:
D - 1,2,3,4,5,6.
PLS HELP IMMEDIATELY!!!!! ILL MARK BRAINIEST IF U DONT GUESS AND ACTUALLY PROVIDE THE CORRECT ANSWER!!!!
Answer:
Grass - grasshopper - frog - snake - hawk
Explanation:
The grasshopper eats the grass, the grasshopper is eaten by the frog, the frog by the snake, and the snake by the hawk.
Answer:
D. grass - grasshopper - frog - snake - hawk
Explanation:
Formula una hipótesis acerca de las posibles presiones ambientales que han influido en la evolución del frailejón.
Answer:
''El cambio de presión ambiental es responsable de la evolución del frailejón''.
Explicación:
'' El cambio de presión ambiental es responsable de la evolución del frailejón.'' El frailejón es una planta que se encuentra en peligro por la destrucción del páramo con fines agrícolas. El páramo es un ecosistema único de gran altitud que se encuentra solo en los Andes de Ecuador, Perú, Colombia y América Central. Este tipo de ecosistema se encuentra por encima de los 10,000 pies y por debajo de los 16,000 pies. La presión ambiental sobre el páramo es menor debido a la ausencia de gases.
Which is a result of a seasonal change. (Meaning a change that happens over and over at a certain time) A. Grass dying to overgrazing. B. Fish moving away from polluted site and into clearer water. C frogs digging to mud to hibernate in the winter. C. Plankton dying due to an oil spill.
Answer: C
Explanation:
The winter is a season
Sorry if I got it wrong, good luck!
What are sustainable use practices?
any materials that exist in nature and that are used by humans
the managed consumption of natural resources to prevent their depletion or environmental destruction
the deployment of fossil fuels to environments that previously did not have access to such resources
ways in which individuals are able to conserve native animal and plant species
Answer:
B.
Explanation:
Sustainable practices are all about the managed consumption of natural resources to prevent their depletion or environmental destruction.
What is sustainability?It refers to the management of resources in such a way that their depletion is prevented and the environment is conserved in the process.
Sustainable practices include actions targeted at conserving resources to prevent abusive or wanton use and ensure that the future heritage is intact.
For example, cutting down trees for construction and following it up with the planting of other trees is a sustainable practice. By doing so, trees will not get depleted in the forest.
The correct option is, therefore, the first option.
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[tex]what \: is \: protein \: {?} [/tex]
Proteins are basic nutrients comprising biomolecules, which are made up of long chains of Amino acids.
They have various functions in our body :
they make up our hair, nails, bones etc they helps in recovery of damaged tissues (therefore known as body - building food)the structure and functions of protein depends on base sequence of nucleotides in the DNA coding for that specific protein.[tex] \large\mathfrak{let \: me \: know \: if \: it \: helps ....}[/tex]
Select the domain that contains both plants and animals.
nitrospira
annelida
echiura
eukarya
bacteria
achaea
chordata
Answer:
eukarya
Explanation:
Organisms in the domain Eukarya keep their genetic material in a nucleus and include the plants, animals, fungi, and protists.
suppose that the supply of fossil fuels were going to run out in 10 years. what would happen if we ran out without being prepared? what could be done to prepare for such event?
Answer:
which school do you read please tell me
As the human population grows, the size of cities
increases. As cities grow, more land must be cleared to
make way for homes, businesses, and roads.
Which two events would be likely effects of replacing a forested area with an
urban area?
O A. More pollution from the city draining into local water sources
B. More trees growing because of increased energy in the area
O C. More carbon dioxide being removed from the atmosphere
O D. More erosion of soil, as plants covering the ground are removed
Answer:
A. More pollution from the city draining into local water sources and D. More erosion of soil, as plants covering the ground are removed
Explanation:
what does Gravitropism mean???
Answer:
Gravitropism is a tropism in which gravity is the stimulus
Explanation:
Black panthers eat other animals in their ecosystem, including deer, fish,
birds, and rabbits. Which of the following terms best describes a black
panther?
O A. Producer
B. Herbivore
C. Carnivore
D. Omnivore
Answer:
Carnivore
Explanation:
All things listed is meat