B. Observing the nocturnal behavior of coyote populations
how does the structure of the leaf allow it fulfil the requirements for gas exchange surface?
(pls don't put it in a file or pls no link) :)
Explanation:
The structure of the leaf is adapted for gas exchange. The cells in the spongy mesophyll (lower layer) are loosely packed, and covered by a thin film of water. There are tiny pores, called stomata , in the surface of the leaf. Most of these are in the lower epidermis, away from the brightest sunlight.
The stomata control gas exchange in the leaf. Each stoma can be open or closed, depending on how turgid its guard cells are.
In the light, the guard cells absorb water by osmosis, become turgid and the stoma opens.
In the dark, the guard cells lose water, become flaccid and the stoma closes.
Diffusion of carbon dioxide, oxygen and water vapour into (or out of) the leaf is greatest when the stomata are open.
Which process is absent in animal cells?
A.(making proteins)
B.(chemical reactions)
C.(respiration)
D.(photosynthesis)
The process that is absent from animal cells is photosynthesis. The correct option is D.
What are animal cells?Animal cells are present in animals, and they are of two types, prokaryotic and eukaryotic cells. These cells are different from plant cells as they do not contain a cell wall.
Plants are autotrophic organisms that do the process of photosynthesis to perform the chemical reaction to make food. As animal cells are heterotrophic, they do not perform photosynthesis, and they do not contain chloroplast, but chloroplast is present in plant cells.
All other processes like making protein, chemical reactions, and respiration. These processes are performed by both animals and plant cells. These are necessary for both plants and animals.
Thus, the correct option is D. photosynthesis.
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Which of the following joints are primarily synovial?
Answer:
The different types of synovial joints are the ball-and-socket joint (shoulder joint)
PLEASE HELP ME ASAP GIVING AWAY 14 POINTS!!!!!!!!!!!!!!!
Answer:
its b sunlight
Explanation: because why would a plant grow according to pressure gravity or touch.
Answer:
it's gravity
Explanation:
................
whether falling dominoes form a wave and how do you now
cichlids fish evolution, as seen in lake victoria in africa, is an example of ______ equilibrium.
Answer:
Evolution
Explanation:
The cichlids fish evolution, as seen in lake victoria in africa, is an example of Evolution equilibrium.
What is evolution?The gradual change of an organism over a period of time is called evolution.
Evolution is the population phenomenon. The sudden change in an individual is called a mutation.
These are the thing that leads to the evolution:-
Natural selection ReproductionCrossing over.Thus, is an example of Evolution equilibrium.
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it’s environmental conditions change over time it is most likely a population of organisms in the environment will survive if??? HELP
Which of the following is an example of a trade-off?
O A. Selecting a bag that can be recycled over
one that cannot
B. Selecting a bag that produces less waste
over a bag that is more expensive
C. Selecting a bag that takes a lot longer to
break down in a landfill than the alternative
O D. Selecting a bag that produces less waste
over a bag that is more convenient
Which of these does not represent a direct transfer of carbon
1.Air to trees
2.Giraffe to tree
3.Tree to Giraffe
WHAT IS WRONG WITH THIS PROBLEM. HELP ASAPPP
Answer:
50% tongue and 50% no tongue.
Explanation:
Upper case T is dominant over lower case t recessive, so we can see that there are two Tt and two tt.
you have to make the Table like this.
T t
t Tt tt
t Tt tt
Final answer 50% tongue and 50% no tongue.
The mistake is fixed.
Answer:
just labeled wrong
Explanation:
Clyde should have (t,t) not (T,T).
so it should be
Tt Tt
tt tt
50% tongue
50% no tongue
Amelia is fine it was just labeled wrong.
2
From the thousands that sprout, why will only 1 or 2 healthy
trees grow into the available space between other existing
trees?
Small sprouts will flourish as there is plenty of space on Earth for plants
to grow
Small sprouts will compete for resources as usual, volcanic eruptions do
not effect plants
Small sprouts will never survive in the soil mixed with volcanic dust.
Small sprouts will compete for the remaining space that has adequate
sunlight
Answer:
small sprouts will compete for the remaining space that has adequate sunlight
Which plant adaptation is most common in the Deciduous Forest biome?
A.
Leaves change due to changes in climate in the Fall and Spring.
B.
Plants can begin to grow under snow, grow close to the ground, and flower quickly.
C.
Roots that can store a lot of water grow.
D.
Some plants in this biome start growing on leaves due to a lack of sunlight on the ground.
How and why do plants need to be able to respond to their environment?
Like all organisms, plants detect and respond to stimuli in their environment. Unlike animals, plants can't run, fly, or swim toward food or away from danger. They are usually rooted to the soil. Instead, a plant's primary means of response is to change how it is growing. hope it helps have a great day and I hope you pass:)
Un objeto posee una energía cinética de 300J, este mismo se ubica a 4m de altura y su masa corresponde a 10Kg. ¿Cuál es su energía mecánica?
Answer: 692 J
Explanation:
La energía mecánica es la energía que se utiliza para realizar un trabajo determinado y se calcula con la suma de la energía cinética y la energía potencial de un objeto. En otras palabras, describe la energía de un objeto debido a su movimiento, posición, o ambos.
La energía cinética es el trabajo necesario para acelerar un cuerpo desde el reposo hasta su velocidad final. Entonces, es la energía que posee un cuerpo debido a su movimiento. Cuando gana energía durante la aceleración, el cuerpo mantiene la energía cinética a menos que su velocidad cambie, y el cuerpo realiza la misma cantidad de trabajo al desacelerar desde su velocidad actual hasta un estado de reposo. Por otro lado, la energía potencial es la energía que posee un objeto debido a su posición con respecto a otros objetos. Los tipos más comunes de energía potencial incluyen a la energía potencial gravitacional de un objeto que depende de su distancia al centro de masa de otro objeto (La Tierra), la energía potencial elástica de un muelle o resorte extendido y la energía potencial eléctrica de una carga en un campo eléctrico.
La unidad de energía en el Sistema Internacional de Unidades (SI) es el julio, que tiene el símbolo J.
La energía mecánica se calcula de la siguiente manera (tener en cuenta que la aceleración de la gravedad es un dato tabulado de 9,8m/s^2):
Energía mecánica = Energía cinética + Energía potencial
Energía mecánica = (1/2 * masa * velocidad^2) + (masa * gravedad * altura)
Energía mecánica = 300 J + (10kg * 9,8m/s^2 * 4m)
Energía mecánica = 300 J + 392 J = 692 J
PLEASE, PLEASE, PLEASE HELP!!! REAL ANSWERS ONLY!!! NO LINKS OR I WILL REPORT!!! NO BOTS EITHER!!!
Respond to the question: How do things move across a cell membrane? Give two examples. (5-8 sentences)
https://www.khanaca demy.org/gclassroom/test-prep/mcat/cells/transport-across-a-cell-membrane/v/how-do-things-move-across-a-cell-membrane
That is the video. Remove the space to make it work.
Answer:
osmosis ........... just use a paraphrasing tool for the explanation below
Explanation:
Another method of movement across the membrane is osmosis. Osmosis is the movement of water from a region of higher concentration to one of lower concentration. Osmosis occurs across a membrane that is semipermeable. A semipermeable membrane lets only certain molecules pass through while keeping other molecules out.
just use a paraphrasing tool
how the rabbit population changed over the course of 10 years.
The rabbit population reached carrying capacity during the fourth year of the 10 years we set. Introduction: Population density is the number of individuals in a population per unit of area. Some limiting factors only affect a population when its density reaches a certain level.
What is the most current theory for the formation of Earth's moon?
arth
Answer:
giant-impact theory
Explanation:
A scientist investigated DNA replication in two groups of cells, labeled A and B. She injected radioactively labeled nucleotides into cells of each group and allowed DNA replication to begin. When replication was halfway completed, she injected a drug into the cells to stop replication. She then examined the cells to determine the distribution of the newly-synthesized DNA. She found each cell of group A had many segments of new DNA in its nucleus, while each cell of group B had a single segment of new DNA in its cytoplasm.
What can the researcher conclude about the cells?
A.
Group A cells are prokaryotic because they must have many origins of replication.
B.
The cells in group B are prokaryotic because they replicate their DNA in the cytoplasm.
C.
Group B cells are eukaryotic because they must have a single origin of replication.
D.
The cells in group A are eukaryotic because they replicate their DNA in the cytoplasm or nucleus.
Answer:d
Explanation:step by step explanation
__________mutations can cause the
reading frame to be moved one direction
or the other.
A. Point
B. Inverted
C. Frameshift
Answer: C - Frameshift
Explanation:
Answer:
Frameshift
Explanation:
Can someone please help me!!
Answer:
A
Explanation:
maybe ahhhhhh its A i guess
Inhibition of enzyme X by eutricoline prevents dehydration synthesis reactions
from occurring between DNA nucleotides. Describe the effect this has on the
replication process. Explain why eukaryotic cells treated with eutricoline do not
increase in number over time
Answer:trying to pass two huh
;-;
Explanation:
help!! will give brainliesttt
Answer:
1 goes with b. 2 goes with a 3 goes withd 4 goeswith c
Explanation:
how can oil wells affect the environment?
Answer:
Oil and gas production are among the main culprits of air pollution – one of the world's biggest killers according to the United Nations. When fossil fuels are burned by power plants, automobiles and industrial facilities, they generate toxic gases.
When baking an empty pie crust
o poke holes in it
o weigh it down
o both choices
Answer:
I think the answer is C
Explanation:
(d) A conservation group with a long-term goal of preserving species believes that all at-risk species will disappear whenever land inhabited by those species is developed. It has an opportunity to purchase land in an area about to be developed. The group has a choice of creating one large nature preserve with an area of 45 square kilometers and containing 70 at-risk species, or 5 small nature preserves, each with an area of 3 square kilometers and each containing 16 at-risk species unique to that preserve. Which choice would you recommend and why
Answer:
each with an area of 3 square kilometers and each containing 16 at-risk species unique to that preserve
Explanation:
I choose third choice of having each with an area of 3 square kilometers and each containing 16 at-risk species unique to that preserve because allocation of separate preserve provides good space and less competition in that preserve. Less number of at risk species in a large surrounding area increase in population with higher rate due to availability of resources such as habitat, food and water in large amount as well as low competitors for these resources.
A scientist is studying an aquarium ecosystem that contains water, plants, and fish that eat those plants. The aquarium
has glass walls so light can get in, but it is sealed so no material can move into or out of the tank. When the scientist
turned the aquarium's light on, carbon dioxide in the water started decreasing. How is carbon moving and what is
happening to the amount of carbon in the living things inside the aquarium? Explain your thinking as completely as
possible
Answer:
Carbon in form of carbondioxide is used by plants during photosynthesis. Explanation: According to this question, the aquarium contains water, plants and fish. The glass of the aquarium is transparent and allows the passage of light
About how many days pass between a new moon and a 3rd quarter moon?
Answer:
21 days
Explanation:
After another week (21 days after new moon) the moon has moved another quarter of the way around the Earth to the “third quarter phase”. The sun's light is now shining on the other half of the visible face of the moon
Which of these is the most serious impact to an ecosystem after a tornado?
A. an increase in biodiversity
B. soil erosion along with water pollution
C. the growth of plants in newly cleared areas
D. animals relocating to different habitats
Answer:
D
Explanation:
animals relocating to a different habitat could cause major impact in the food chain and would need different survival skills
According to the theory of natural selection, some individuals in a population survive while others die.he proposed that survival is due to the
A. Possession of structures developed through use
B. Possession of adaptions suites to the environment
C. Lack of competition within the species
D. Ability to change their genes
Explaining hardy Weinberg equilibrium and the eastern squirrel/ how many in the population have the following genotypes
Answer:
Above ans is not Correct.