In North America, the eastern spotted skunk mates
in late winter, and the western spotted skunk mates
in late summer. Even though their geographic
ranges overlap, the species do not mate with each
other. What most likely prevents these two species
from interbreeding?
A. habitat isolation
B. gametic isolation
C. geographic isolation
D. reproductive isolation
Reproductive isolation is a mechanism through which species do not get to interbreed. Option D. reproductive isolation
What is reproductive isolation?This is a mechanism through which different species or populations do get to mate and produce fertile offspring. This mechanism allows the accumulation of genetic differences and favors speciation.
There are different barriers that inhibit or interrupt the genetic flow between different species.
Reproductive barriers prevent mating between two or more species. There are two types of barriers,
prezygotic ⇒ that avoids fertilization between individuals of different species, postzygotic ⇒ that impedes the zygote to develope and reach the adult stage.Pre-copulatory o pre-ziygotic:
• Ecological or by habitat isolation;
• Seasonal or temporal;
• Séxual o ethologic;
• Mechanic;
• Gametes incompatibility.
Postzygotic mechanisms or barriers include
• Hybrid inviability,
• Hybrid sterility,
• Cytoplasmic interactions.
In the exposed example occurs a seasonal difference between the mating period of the eastern spotted skunk and the western spotted skunk.
Probably, if both of them would mate during the same season and in the same area, they could reproduce.
However, since their mating season differs, individuals from each species do not get to cross and hence, produce fertile offspring.
Option D. reproductive isolation is what most likely prevents these two species from interbreeding
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Which statement about rocks is not true? A All rocks are made of minerals. B Rocks come in different shapes, colors, and sizes. C A rock is always made up of just one kind of mineral.
Answer:
C. A rock is always made up of just one kind of mineral
how is a trait passed down from parents to offspring USE OWN WORDS
which of these biomes has permanently forzen water in its soil? tundra chaparral savanna taiga
Answer:
these biomes has permanently frozen water in its soil is a tundra.
Need helpppp ASAP A student looks at a white paper through a violet filter what color will she see
Describe the competitive exclusion principle and its effects on competing species
Scientist divide the Earth's interior into layers based on
Answer:
Scientists divide the Earth into three layers based on composition: the crust, the mantle, and the core. These divisions are based on the compounds that make up each layer.
What can HIV become? (write it out)
HIV came become AIDS (acquired immunodeficiency syndrome) if not treated.
How are Killer Whales like the Wolves of the Rocky Mountains? And is this innate or instinctive behavior?
Coniferous trees flourish because they take the opposite approach of deciduous trees: they grow (slow/fast) and die (young/old). Question 4 options: fast, young slow, young slow, old fast, old
Answer:
D. Coniferous and Deciduous trees
Explanation:
These trees are found in the humid subtropical climate areas.
Correct on edg. 2020
Coniferous trees grow slow and die old as compared to Deciduous trees.
What do you mean by Coniferous trees?Coniferous trees may be defined as mostly evergreen trees and shrubs having usually needle-shaped or scalelike leaves and including forms with true cones and others with an arillate fruit.
Deciduous trees tend to grow faster than evergreen trees. They have broader leaves as compared to evergreen trees. Coniferous trees have needles instead of leaves. They don't change color in the fall.
Therefore, Coniferous trees grow slow and die old as compared to Deciduous trees.
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The levels of organization in living things are cell, tissue, organ,
and organs-system. What level of organization is each layer - the
epidermis, palisade layer, spongy layer? __ . The entire
leaf would then be considered to be a__.
HELP PLEASE!!!
Answer:
An ion with a -2 charge, atomic number 17, an atomic mass of 25 has how many electrons?
Explanation:
5. Consider a system consisting of an egg in an incubator. The white and yolk of the egg contain proteins, carbohydrates, and lipids. If fertilized, the egg is transformed from a single cell to a complex organism. Discuss this irreversible process in terms of the entropy changes in the system, surroundings, and universe. Be sure that you first clearly define the system and surroundings.
Answer:
According to the question, we could consider the developing chick as the system and the surrounding of this system would be nutrients, external environment, or world and eggshell that affects the system. The entropy of the system decreases with the transformation of the development of the cell into a chick drastically.
In this system initially, it has a low entropy condition as it the surrounding have complex fuel molecule compare to the system, however, during the period of incubation the complex molecule of surrounding fuel release in the high quantity of CO2 and water molecules and leads to the higher entropy of surrounding than the decrease in the entropy of the system.
Bones grow in diameter due to bone formation
Answer:
Osteoblasts move in and ossify the matrix to form bone. Even though bones stop growing in length in early adulthood, they can continue to increase in thickness or diameter throughout life. The increase in diameter is called appositional growth.
At which position is the northern hemisphere experiencing spring?
Point A
Point B
Point C
Point D
Answer:
c
Explanation:
What are 3 ideas a family has on individuals?
Answer:
l
ove and caring for other family members; providing security and a sense of belonging; open communication; making each person within the family feel important, valued, respected and esteemed.
Explanation:
love and caring for other family members; providing security and a sense of belonging; open communication; making each person within the family feel important, valued, respected and esteemed.
In some pea plant crosses, the plants are self-pollinated. Is self-pollination considered asexual or sexual reproduction? Explain your reasoning. I need a good answer and not from quizlet
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You would expect a cell with extensive Golgi apparatus to
Answer:
secrete a lot of material.
Please please please help me FAST
FAST
Answer: Mollusks
Explanation:
I think
Answer:
QUESTION:
Please please please help me FAST FAST
ANSWER:
Squid are members of the class Cephalopoda, subclass Coleoidea. The squid orders Myopsida and Oegopsida are in the superorder Decapodiformes (from the Greek for "ten-legged").
Class: Cephalopoda
Phylum: Mollusca
Subclass: Coleoidea
Superorder: Decapodiformes; Leach, 1817
Explanation:
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The diagram below represents a food pyramid in an ecosystem.
Hawk
Snake
Rabbit
Grass
The best explanation for the decrease in the amount of energy transferred to each
succeeding level is that much of the energy is
Оа
Ob
Ос
stored within organic materials
used in photosynthesis
released as heat and used in daily metabolism
consumed by producers
Od
PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.
Answer:
C c is the answer to your question
Answer:
chemical, because a new gas was formed
Explanation:
my tutor answered the question for me haha! hope i helped.
In a microclimate, the conditions of the small area are______?
A. the same as in the larger surrounding area
B. microclimates do not exist
C. much different than in the larger surrounding area
D. always hotter than in the larger surrounding area
the answer should be option A
How does the photolysis of water benefit the biosphere?
Which event occurred during the Space Race
Answer:
On October 4, 1957, a Soviet R-7 intercontinental ballistic missile launched Sputnik (Russian for “traveler”), the world's first artificial satellite and the first man-made object to be placed into the Earth's orbit. Sputnik's launch came as a surprise, and not a pleasant one, to most Americans.
Explanation:
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What does the word Immigrant mean to you?
Answer:
someone who moved from a different country looking for job opportunities
Explanation:
Answer:a person who comes to a country to take up permanent residence
Plz help me I am timed well mark brainliest if you are correct!
Answer:
The answer is A
Explanation:
Answer:
A) elliptical path
Explanation:
have a nice day!! :)
17
15. Some scientists use molecular evidence to study
evolution. One type of molecular evidence is
the amino acid sequence of particular proteins in
various species.
Which of the following best describes what the
study of these sequences reveals about the species?
A. The more similar the sequences are, the faster
the species will coevolve.
B. The more similar the sequences are, the more
closely related the species are.
C. The longer the sequences are, the earlier the
species evolved in geologic history,
D. The longer the sequences are, the more
adapted the species are to their environments.
Answer:
D
Explanation:
Because yes
Which method is most likely to reduce soil loss?
A pH testing
B. crop rotation
C. remote sensing
D. contour plowing
Answer:
B
Explanation:
Answer: it's B
Explanation:
PLEASE HELP !! ILL GIVE 40 POINTS ; PLUS BRAINLIEST !! DONT SKIP ANSWER.
Answer:
daddy ;-0
Explanation:
Answer:
Your Answer is B
Explanation:
By burning coal and fossil fuel and natural gas, it causes in the air
PLEASE HELP ME TIMED QUIZ
Which of the following is not a factor in determining population size?
a.
the food supply
b.
birth rate
c.
available niches
d.
detritivore activity
Please select the best answer from the choices provided
A
B
C
D
Answer:
Detritivore activity is the correct answer!
Hope it helps! ❤️
Answer:
D
Explanation:
what are four characteristics of viral genomes that may vary among viruses?
Answer:
l
Explanation:
Answer:
the answers are nucleic acid type, size, complexity, and the information transfer pathways.
Explanation:
Hope this helps