8. How did the Grants test their hypothesis that differences in birds' songs can keep finches
from breeding with members of other species?
a. They watched which birds were mating with each other and listened for the songs the
birds were singing.
b. They recorded birds singing on the island of Daphne Major for an entire breeding
season to see which type of song was used more often by each species.
c. They played the songs of medium ground finches and cactus finches through a
loudspeaker at different times, when individuals from both species were present, to see which
species responded to each song,
d. They played the song of the medium ground finch to medium ground finch males
through a loudspeaker to see if they would respond; they then played the song of the cactus
finch to cactus finch males to see if they would respond.
9. Explain the evidence presented in the film for your answer in question #8 above.
a. Males only came to the loudspeaker when the song of their own species was being played.
b. The type of song used more often during the breeding season was also the song sung by the
most abundant species.
c. During mating, birds sang the song of their own species.

Answers

Answer 1

Answer:

The correct answer is -

8. They played the songs of medium ground finches and cactus finches through a loudspeaker at different times, when individuals from both species were present, to see which species responded to each song.

9. Males only came to the loudspeaker when the song of their own species was being played.

Explanation:

To test the hypothesis that differences in finches song they sing keep these finches to breeding from other members of finches, Grant should play the different songs of both medium ground finches and cactus finches one by one in loudspeaker and see what members of finches respond on what song.

It will show that cactus fiches breed only on their songs and medium ground finches on their song if the hypothesis is true. Male of each species respond to their songs only and not on other song played on loudspeaker


Related Questions

How does a medicine like Benadryl (a medicine taken to suppress allergy symptoms) affect the immune system?

Answers

It kills of the virus while strengthening the immune system

Which of the following best describes the function of the Golgi apparatus within plant and animal cells?
No links please!

Answers

Answer:

The Golgi apparatus

Explanation:

The Golgi apparatus packages proteins into membrane-bound vesicles inside the cell before the vesicles are sent to their destination.

AB blood type illustrates the principle of

Answers

The AB blood type has both A and B alleles.This illustrates principle of co-dominance

AG CLASS

Which of the following professionals would a city hire to oversee the trees in its parks and street plantings?


pomologist

viniculturist

arborist

botanist

Answers

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

Botanist

Answer:

Hello There!!

Explanation:

I think the answer is arborist because arborists are like tree surgeons.

hope this helps,have a great day!!

~Pinky~

What can leaves do that roots cannot?

Answers

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex]

carry out photosynthesis

Answer:

2 carry out photosynthesis

Roots in the ground, it cannot.

QUESTION 6
Which of the following is NOT an enzyme
O Amylase
Lipase
Oxidase
Alanine

Answers

someone put the explanation for u

1. Some individuals of a population or species are better suited to
a. evolve than other individuals.
b. survive and reproduce.
c. become extinct.
d. achieve punctuated equilibrium.

Answers

Answer:

I believe it's b. survive and reproduce.

what are the two muscles that allow you to raise your lower arm

Answers

Answer:

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✏ Biceps & Triceps.

[tex]{\huge\pink{\fbox{{࿐EXPLANATION :࿐}}}}[/tex]

✏ Muscles of both the upper arm and forearm control movement of the forearm. The biceps brachii flex the forearm and work with the supinator of the forearm to rotate it so the palm faces upward. The triceps brachii extend the forearm.

100%
Question 15 (2 points)
Which energy pyramid accurately represents the amount of energy at each level of
this food web?
Owls
Skunks
Mice
Grasshoppers
Grass

Answers

Answer:

it's owls

Explanation:

Energy pyramid accurately represents the amount of energy at each level of this food web Owls.

What is Energy pyramid?

The energy present within the trophic layers of an ecosystem is called an energy pyramid, sometimes referred to as a trophic or ecological pyramid.

The producers are located in the base of the pyramid, which is also its greatest level. The amount of energy diminishes and the levels get smaller as you progress up the pyramid, via the trophic levels to primary, secondary, and tertiary consumers.

Even though it cannot be produced or destroyed, energy is emitted as heat at each level. Only 10% of energy is essentially transferred from one level to the next.

Therefore, Energy pyramid accurately represents the amount of energy at each level of this food web Owls.

To learn more about Energy pyramid, refer to the link:

https://brainly.com/question/2515928

#SPJ2

which characteristics of living things occur when a butterfly sucks nectar from the nectary of a flower

Answers

Answer:

Because butterfly helps in asexual reproduction in plants and nutrition for butterfly

Explanation:

which substance is a nuclear acid​

Answers

Nucleic acids are the biopolymers, or large biomolecules, essential to all known forms of life. The term nucleic acid is the overall name for DNA and RNA . They are composed of nucleotides, which are the monomers made of three components: a 5-carbon sugar, a phosphate group and a nitrogenous base.

Match the given bones to their common names.

Answers

Answer:

femur = thigh bone

tibia =shin bone

humerus = upper arms

fibula = calf bone

The correct matching of the bones are as follows:

upper arm - humerusthigh bone - tibiacalf bone - femurshin bone - fibula

What are bones?

Bones are solid and tough mineralized structures which form part of the skeleton in humans.

There are 206 bones in the human skeleton.

The names of the bones given are as follows:

upper arm - humerusthigh bone - tibiacalf bone - femurshin bone - fibula

Therefore, bones make up skeleton in humans.

Learn more about bones and skeleton at: https://brainly.com/question/2329702

#SPJ6

[20 POINTS!!!!!]
which scenario would lead to the biggest increase in rabbit population?
increase in food supply and decrease in predators.

increase in food supply and predators.

decrease in food supply and increase in predators.

decrease in food supply and predators.

Answers

A is the correct answer!Increase in food supply = more food = BIGGER POPULATIONDecrease in predators = more living rabbits = more reproductionThis scenario is VERY bad for the ecosystem and the rabbit population in the long term.

The scenario that would lead to the greatest increase in the rabbit population is increased food supply and decreased predators.

What are predatory animals?

Predatory animals are animals that feed on other animals. They occupy the top of the food chain and are therefore found in smaller numbers. Predators are usually large, agile and adapted for hunting. A good predator is not known just by its size.

With this information, we can conclude that the scenario that would lead to the greatest increase in the rabbit population is increased food supply and decreased predators.

Learn more about Predatory in brainly.com/question/12751629

how long does it take bread and an apple to mold in a bag.

Answers

Answer: It takes 7-10 days you could see some differences on the bread especially as soon as 5 days

Answer:

Answer 1:It should take around 7-10 days before you will be able to see significant growth on the bread. You could see growth as soon as 5 days depending on the type of bread you used. Remember, fresh bread will mold faster than store-bought bread containing preservatives.

A scientist gathers data on the growth of a population over time. A graph of the data is shown below.
Which statement below best describes the graph at point X?
A. The population is declining
B. The population is increasing
C. The population has reached the carrying capacity of the ecosystem
D. The population has exceeded the carrying capacity of the ecosystem

Answers

C. The population has reached the carrying capacity of the ecosystem

Which species list includes animals that would most likely be found in a taiga biome?

A. zebra, cheetahs, and grasses
В.
lynxes, moose, and pine trees
C.
camels, rattlesnakes, and cacti
D
parrots, frogs, and bamboo trees

Answers

b lynxes , moose, and pine trees

Answer:

B. Lynxes, Moose, and Pine trees

Choose the correct ranking of relative electronegativities of the following parts of the ETC or molecules
that interact with the ETC from highest to lowest electronegativity.
A/Q> 0,> NADH > Cyt c, (ETC complex III) > FMN (ETC complex I)
B/0,> Q> NADH > Cyt c, (ETC complex III) > FMN (ETC complex I)
C/ FMN (ETC complex 1) > 0,>Q> NADH > Cyt c, (ETC complex III)
D/ NADH > FMN (ETC complex I) > Q>> Cyt c, (ETC complex III) > O2
E/ 0,> FMN (ETC complex 1) >Q> Cyt a (ETC complex III) > NADH

Answers

Dcvgnhhhgefvgbbcaghfbnjjdsx. G

give This question a shot and I’ll give you brainliest no links posted on My question or I will report you

Answers

Answer:

B) 113

Explanation:

Answer:

If we convert 45 degrees Celcius to Farenheit, we will get 113 degrees Farenheit


_________ is a disease where patients cannot control their blood glucose levels

Answers

Answer:

Causes of type 1 diabetes: This is an immune system disease. Your body attacks and destroys insulin-producing cells in your pancreas. Without insulin to allow glucose to enter your cells, glucose builds up in your bloodstream. Genes may also play a role in some patients.

Explanation:

hope it helps

:D

An amusement park has recently been constructed along the coast, increasing automobile traffic in the area. What is the impact of the increased traffic in the area on oceans?

a) Increases in fossil fuel emissions and greenhouse gases
b)Decreases in atmospheric gases and biodiversity
c)Decreases in shoreline and bird migration distances
d)Increases in habitat for marine mammals and warmer water temperatures

Answers

Answer:

increases in fossil fuels emissions and greenhouse gases.

Explanation:

Answer:

A

Explanation:

Energy from the sun assists with the water cycle by:

A. Filling oceans

B. Precipitation

C. Water evaporating on Earth

D. Clouds becoming more dense

Choose one correct answer

Answers

Answer:

C

Explanation:

The heat of the sun provides energy to make the water cycle work. The sun evaporates water from the oceans into water vapor. This invisible vapor rises into the atmosphere, where the air is colder. The colder air causes water vapor to condense into water droplets and clouds.

HELP!!! I need the answer and reasoning!!! I’ll mark as brainliest!!!

Answers

Answer:

A. Destruction of terrestrial biota

Explanation:

all the other answers would decrease the carbon output. thickening of ocean sediments reinforces a carbon reservoir (which stores carbon), reduction in the use of fossil fuels would reduce the amount of carbon emissions, increase in marine biota = increase in carbon storage because marine biota is also a carbon reservoir.

Destruction of terrestrial biota would cause excess output because terrestrial biota is a carbon reservoir, and all of that carbon would be released into the carbon cycle.

What are the consequences of humans adding gases and other substances to earth's atmosphere?

Answers

Answer:

there is an increase of the average global temperature due to the accumulation of polluting gases in higher atmospheric levels that causes regional and global climate change.

Explanation:

It causes climate change,global warming. This is when the bubble around the earth deteriorates causing its biome to suffer.

The diagram shows the five kingdoms of life. The place where the circles intersect include
only the characteristics that they have in common.
Which characteristic belongs in the shaded area?

Answers

Well it’s not the prokaryotes because that’s bacteria and archaea. Eukaryotes is your best bet because the two do fall under that category.

When it comes to the multicellular or unicellular protists are MAINLY unicellular while plante, animalia and fungi only are all multicellular so if they were in the same circle that’s probably while they are separated in the first place.

I would pic eukaryotes!
Hope this helps!

Pine
Trees
Shrubs
Mass of Plants
The graph to the left
illustrates the mass of
different types of plants
during succession. Which of
the following best describes
what occurs to the amount
of
grasses in the graph?
Oak
Trees
Grasses
Mosses
Time
It decreases continuously.
It increases continuously.
It increases for a while and then decreases.
It does not change.

Answers

Answer:

it increases for a while and then decreases

explica la relación entre el desarrollo de la resistencia a un insecticia entre una especie de insectos y la adaptación​

Answers

Answer:explains the relationship between the development of resistance to an insecticia between a species of insects and the adaptation

Explanation:

.
What is a blastula?

a hollow ball of cells
a hollow tube of cells
a solid ball of cells
a long sheet of cell

Answers

a hollow ball of cells

Which is the best definitions for mutation

Answers

A change in the organism’s DNA Sequence

Answer:

B or A it produces another one of itself.

Explanation:

"Mutation , an alteration in the genetic material (the genome) of a cell of a living organism or of a virus that is more or less permanent and that can be transmitted to the cell's or the virus's descendants. The genomes of organisms are all composed of DNA, whereas viral genomes can be of DNA or RNA."

Credits to: yahoo and more

Most likely B.

During prophesy I of meiosis, these pairs form a tetras in a process called _.

Answers

Synapsis
Hope it helps

Research the Internet about a problem that occurs with the nervous system. For your first post, write a description about the disease/disorder you chose. What are some of the symptoms? Is it treatable/curable? If so, how? Is it genetic or caused by something environmental? Why did you choose this particular problem? Does it affect a particular group of individuals more than others? Etc? Do you have any personal experience with this problem? List at least one source from your research.

Answers

Answer:

Alzheimer's disease.

Explanation:

It is A progressive disease that destroys memory and other important mental functions.

Brain cell connections and the cells themselves degenerate and die, eventually destroying memory and other important mental functions.

Symptoms :

Cognitive: mental decline, difficulty thinking and understanding, confusion in the evening hours, delusion, disorientation, forgetfulness, making things up, mental confusion, difficulty concentrating, inability to create new memories, inability to do simple maths, or inability to recognise common things

Behavioural: aggression, agitation, difficulty with self care, irritability, meaningless repetition of own words, personality changes, restlessness, lack of restraint, or wandering and getting lost

Mood: anger, apathy, general discontent, loneliness, or mood swings

Psychological: depression, hallucination, or paranoia

Also common: appetite loss, difficulty with skilled movement, or paraphasia

there is no cure for Alzheimer's disease or a way to stop or slow its progression, there are drug and non-drug options that may help treat symptoms.

Cause:

Alzheimer's disease is thought to be caused by the abnormal build-up of proteins in and around brain cells.

I chosed it because it is very common

Over 1.5 million people come up with this disease

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