Blue jays and robins do not interbreed. Assuming the blue jays and robins share the same habitat, describe the possible conditions that keep these birds repoductivly isolated. Explain your answer.

Answers

Answer 1

The are many behavioural and physiological factors that would prevent different species from mating. Birds in particular have complex mating behaviour, including particular plumage, mating calls and nest constructions. It is therefore highly unlikely that two birds of different species would be found compatible for mating with each other. There may also be physiological barriers to prevent mating, such as incompatible genital organs.

Related Questions

two students used two balls to make a scale model of the earth/moon system. the earth model was 24 cm in diameter. when they finished, what were the final dimensions of the model system

Answers

576 is the final numbers

Which statement describes the availability of carbon in the ocean and its use by marine processes?
A. The ocean is a carbon sink, with carbon being utilized by photosynthesis of phytoplankton.
B. The ocean is a carbon sink, with carbon lost due to the transpiration of marine algae.
C. he ocean is a carbon source, with carbon being utilized during thermocline formation.
D. The ocean is a carbon source, with carbon lost due to the respiration of marine mammals.

Answers

The answer is definetly c

Answer: Option A

Explanation: The carbon that is found in the oceans are utilized by the phytoplankton found in the oceans.

The carbon sinks in the ocean and then the process of photosynthesis required carbon dioxide and sunlight for the process of the photosynthesis.

The carbon dioxide is utilized by the phytoplankton that is found in the epipelagic zone of the ocean.

The conditions in a local area include temperature, atmospheric pressure, wind, and humidity. The combination of all of these conditions determines
A. the time of day
B. the weather in the area
C. the geology in the area
D. the climate in the area

Answers

The answer to this is B.

The conditions in a local area include temperature, atmospheric pressure, wind, and humidity. The combination of all of these conditions determines the climate in the area. Hence, option D is correct.

What is climate?

Climate describes the long-term weather patterns in a particular region. Climates in different areas can vary.

The polar, temperate, and tropical zones are neatly divided into three different climate zones by the three-cell convection model of each hemisphere.

The climate on Earth has undergone numerous significant changes. These have been brought on by a variety of natural phenomena, such as variations in the sun's activity, volcanic emissions, changes in the Earth's orbit, and carbon dioxide concentrations (CO2). Therefore, option D is correct.

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Which of the following germinates?

A. seed coat
B. embryo
C. endosperm
D. stamen

Answers

a, seed coat, hope this helps.

The answer is B.embryo

Picture included please help this is for a very big grade and I really can figure these out serious inquiries only

Answers

(1)Prouducer
(3)Consumers
(4)Carnivores
(7)Herbivore
(8)Omnivore *humans, ferrets*
(15)Decomposers? Don't trust this answer.
Hope this helps a bit.

The genetic code is said to be Universal because a codon represents the same ______ in almost all organisms.

Answers

The genetic code is said to be Universal because a codon represents the same protein in almost all organisms.

Hope this helps!

-Payshence xoxo

Amino acid pattern

Genetic codeLiving cells need a set of instructions called the genetic code to transform information encoded in genetic material into proteins.A codon is a three-nucleotide DNA or RNA sequence that codes for a certain amino acid.The genetic code is said to be Universal because a codon represents the same Amino acid pattern in almost all organisms.

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To which part of the DNA nucleotide do the letters A, T, C, and G refer?

A. The phosphate group
B. The nitrogen base
C. The deoxyribose
D. The amino acid group

Answers

this is B. The nitrogen base

How are DNA and RNA molecules alike? A) They are both double stranded. B) They both contain nitrogen bases. C) Their nitrogen bases always pair A - T and C - G. D) They are found in the nucleus and at the ribosomes. Eliminate

Answers

They both contain nitrogenous bases.
DNA genomes are stable and can grow to much larger sizes (other viruses and all organisms larger than them). They are both nucleic acids. Regarding structure, DNA and RNA are similar because they are both built of nucleotides, structures consisting of one nuclease, a sugar (ribose or deoxyribose respectively) and a phosphate group.

DNA is a double strand, RNA is a single strand. They are both made up of nucleotides. They both have nitrogen bases, but they have one difference. RNA has Uracil instead of Thymine that DNA has. DNA is found in the nucleus and RNA is in cytoplasm.
I believe your answer is B.

PLESE HELP!!!!!!!!!!!!!!!!!!Based on this image, what is responsible for the pattern of ocean currents?

LINK----> file:///C:/Users/ATC_Student/Pictures/heyyyyyyyyyy.PNG

A. Earth's rotation

B. differences in water temputare

C. differences in water salinity

D. differences in water density

Answers

your answer will be earth rotation (a)

For the people who are confused about the picture situation here is the picture to the problem.

-Ps Bri yw <3

What the heck do these terms mean I forgot my txbk but I have the rubric help me now plzzzzzz 50- 98 pts!!!
nebula
protostar
white dwarf
supernova
neutron stars
pulsar
black whole
spiral galaxy
barred-spiral galaxy
irregular galaxy
quasar
The Big Bang theory
dark matter
dark energy
Thanks in advance...

Answers

Nebula- a cloud of gas and dust in outer space
Protostar- a contracting mass of gas which represents the early stage of formation in a star
White Dwarf- a stellar remnant composed mostly of electron-degenerate matter
Supernova- transient astromnical event that occurs during th last stellar evolutionary stages of a massive star's life
Neutron Stars- a type of compact star
Pulsar- a highly magnetized rotating neutron star
Black Hole- a region of space-time exhibiting so much gravitational effects that nothing can escape from inside it
Spiral Galaxy- flat, rotating disc containing stars, gas, and dust
Barred-spiral Galaxy- central bar-shaped structure composed of stars
Irregular Galaxy- a galaxy with no distinct, or regular shape
Quasar- a massive and extremely remote celestial object, emitting large amounts of energy
The Big Bang Theory- a cosmological model that explains the early development of the universe
Dark Matter- a hypothetical substance that is believed by most astronomers
Dark Energy- unknown form of energy which is hypothesized to permate all of space

Why are thunderstorms so common?

Answers

Hello,

Here is your answer:

The proper answer to this question is that "they are formed by the same way which causes the effects to be the same as any other thunderstorm"!

If you need anymore help feel free to ask me!

Hope this helps!

Dr. Levitt is conducting a descriptive experiment where she is counting the numbers of chicks that hatch in one season for a particular species of bird. What is a major benefit of this experiment?

Answers

Final answer:

Dr. Levitt's experiment of counting the chicks hatching in one season for a specific bird offers insight into the bird species' reproduction patterns, allows for hypothesis generation and testing, and contributes to broader scientific discussions, including natural selection.

Explanation:

Dr. Levitt's descriptive experiment, in which she counts the number of chicks that hatch in one season for a specific bird species, has several major benefits. First, this type of experiment provides direct, observable data about the reproductive habits and success rate of the species, which can be crucial for evolutionary biology studies and conservation efforts. In essence, data collection at this level allows the biologist to record the behaviour of this bird species and compare it to that of other species.

Second, the experiment can form the basis for the generation and testing of hypotheses. For instance, if a high mortality rate is observed within the chicks before they reach sexual maturity, a hypothesis could be proposed and tested using methods such as mark and recapture and calculating later population densities.

Finally, the data collected can be used in subsequent research to refine the study of this species and possibly support broader claims, such as the role of response to information and communication in natural selection. In this way, the results from this experiment can significantly contribute to the vast and dynamic field of biology research.

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which pigment, only present in Plants, makes photosynthesis possible?

A. carbon dioxide

B. Glucose

C. Chlorophyll

D. ATP

Plz explain of you can

Answers

All I know is that it's C sorry I can't explain.

Answer:

c: chlorophyll

Explanation:

took the k12 quiz

Sexual reproduction is associated with _____.
mitosis
meiosis
binary fission

Answers

your answer would be meiosis hope this helps have a great day

Final answer:

Sexual reproduction is associated with meiosis, a type of cell division that results in four daughter cells with half the parent cell's chromosomes. Mitosis and binary fission are associated with asexual and simple organism reproduction, respectively.

Explanation:

Sexual reproduction is closely associated with meiosis. Meiosis is a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell. This process is crucial in sexual reproduction as it ensures genetic diversity. In contrast, mitosis is associated with asexual reproduction while binary fission is typical of simple organism reproduction, like bacteria.

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What makes proteins

Answers

Nucleus-Controls most cell processes and contain the hereditary information of DNA
Chromosomes-Small particles made of RNA; assemble proteins

Rough cytoplasmic reticulum-Involved in the synthesis of proteins; has ribosomes attached to its surface

Love,
Makwilson

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