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Lake Victoria in East Africa is home to many species of fish called cichlids. In 1954 the predatory Nile perch was introduced to Lake Victoria. The Nile perch became the dominant fish species in the lake by the mid-1980s. The number of cichlid species in the lake decreased as the Nile perch population increased. The perch preyed heavily on cichlid species that fed on algae and debris on the bottom of the lake. Algae in the lake increased, and oxygen levels decreased. The surface area of the gills of some cichlid species has increased in just over 20 years. Which statement explains the increase in gill surface area seen in some of Lake Victoria’s cichlids? Increased gill surface area has allowed the cichlids to change their diet and avoid competing with the Nile perch. Increased gill surface area has allowed the cichlids to be camouflaged and avoid being eaten by the Nile perch. Increased gill surface area has allowed the cichlids to leave Lake Victoria and establish populations in nearby bodies of water. Increased gill surface area has allowed the cichlids to better absorb the limited oxygen in the water.

The statement that explains the increase in gill surface area seen in some of Lake Victoria’s cichlids is that increased gill surface area has allowed the cichlids to better absorb the limited oxygen in the water. The correct option is D.

The greatest group of organisms in which any two individuals of the right sexes or mating types can result in fertile offspring is commonly referred to as a species.

An organism of a particular species. It serves as both a formal rank in taxonomy and a fundamental unit of biological classification.

The word's first informal usage was rather ambiguous, but there are currently at least 26 alternative ways to use it. The same species includes all members of the same sort of animals or plants.

Therefore, the correct option is D, increased gill surface area has allowed the cichlids to better absorb the limited oxygen in the water.

To learn more about species, refer to the link:

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Match each image to the correct step of meiosis..

⚠⚠⚠⚠⚠⚠One fossil is found in a deeper layer of rock than another one. How is this evidence of change over time of living things on Earth?

The letter e in evaporation comes from the Latin word ex, meaning "away." Vapor is Latin for "water vapor." What do you predict that evaporation means?

help please and thank you.

Above is a map that supports the idea that the continents were once joined together. Some fossils can be found on multiple continents that are now very far apart. Provide another piece of evidence to support the idea that continents were once joined together.

The Himalayan Mountains are folded mountains that form due to great pressure and heat along convergent boundaries where plates are moving _________________________

Which of these is a piece of evidence supporting the theory of evolution?

A) Emus and ostriches are similar and exist in different geographical locations

B) Emus and ostriches are different names for the same animal

C) Emus ostriches and meas are similar to the glyptodon

D) Ostriches resemble armadillos​

i need help asapppp pleaseee

What causes the phenomenon called "sunset?"
A) the revolution of the Sun around Earth
B) the revolution of the Moon around the Sun
C) the rotation of Earth
D) the rotation of the Sun
E) the rotation of the Moon

Atoms are made up of smaller particles. Identify the three particles within an atom. Compare these particles in terms of location, electrical charge, and size. Explain why most of the mass of an atom is located in the nucleus.

What should i write as my answer?

How are some humans using more than their fair share of water? What is the effect of using water on environmental systems?

Please write a full paragraph and cite evidence.

A cell carries out _____.


1) Shape

2) Energy

3) Cell membrane

4) Size

5) Vacuole

6) Life processes

WILL GIVE BRAINLY IF CORRECT

What role did Bartolomé de Las Casas play in the treatment of indigenous people in the Americas? THREE CORRECT ANSWERS

He opposed the encomienda system.
He experienced the system and wanted it to continue.
He argued that enslaving people was a sin.
He wanted Spain to provide more encomienda grants to the church.
He thought that indigenous people should be converted to Christianity.

The human activities in two locations are described below:

Location A: Oil drilled from several mines
Location B: Unregulated harvesting of trees

Which statement is most likely true?

Bird population will increase in Location A because of improved habitat.

The air quality will improve in Location A because drilling does not cause pollution.

The water will be contaminated in Location B because of the increase in oxygen gas.

There will be a mass migration of animals from Location B because of habitat loss.

So I just read som that says bananas are curved cause they grow towards the sun...
Does anything else grow towards the sun...?

How does lack sea ice during the Antarctic winter affect temperature on the continent during the summer?

You are playing with a newton’s cradle and pull the first ball back and let it go. You notice that the ball on the other end swings upward a few moments later.

What is the action force?

What is the reaction force?

The main purpose of this article is

a
to persuade people to play it safe and stay inside during cold weather
b
to explain two dangers of cold temperatures and how to guard against them
c
to celebrate the bravery and accomplishments of Sir Ranulph Fiennes
d
to inform the reader about terms commonly used in winter weather reports

What evidence do scientists have that supports the idea that Earth's surface has changed over time?

modern plants and animals that look like ancient organisms

rocks that came from outer space

climates in some places on Earth that are different than other places.

fossils of rainforest plants in areas that are deserts today

Create a list of 5 potential jobs that students of oncology can obtain.

Which of these cell parts contains instructions for the passage of traits from one generation to the next? (ignore the answer I put)

A friend claims her pet ferret is descended from the wild polecat. You want to learn more about this ferret ancestor. An online search shows several different kinds of polecats. How could you figure out which one is the ferret ancestor?

The Earth’s crust is divided into large sections like puzzle pieces called plates. The plates move due to uneven heating in the mantle which causes the molten rock to circulate. This circulation is called ____________ __________________.

Why do you think the fashions on Phoenician statues seemed so similar to Egyptian styles?
A) The Phoenicians did not have a style of their own.
B) The Phoenicians tried to make their clothing to meet their customers’ tastes.
C) The Phoenicians believed that the Egyptian styles were superior to others.
D) These statues were depictions of the Egyptians who visited the Phoenicians.

2 points
1. True or False: When environments are mostly the SAME over time,
structures generally CHANGE over time. *
True or False

​​​​​​​​​If natural gas gives off 30 units of energy, but takes 5 units of energy to produce, what is its net energy ratio?
600
60
6
0.6

Which of the following describes the weather forecast shown in the image?
A) Low air pressure and low chance of precipitation
B) Low air temperatures and high chance of precipitation
C) Low chance of precipitation and low air temperatures
D) Low humidity and high air temperatures

Where does the Moon get its light?
A. the moon makes its own light
B. the moon gets light from the sun
C. the moon gets light from earth

A team of scientists altered the DNA of pseudomonas bacteria. The bacteria thus developed had the ability to eat up oil. What could be the likely impact of this biotechnology on the environment and the society?

A. Toxic gases would be released, causing large-scale pollution.
B. Damage to marine flora and fauna due to oil spills could be prevented.
C. The consumption of nonrenewable energy sources would be increased.
D. The process of oil exploration would become simpler and more economical.

California’s San Andres fault is known for its earthquakes. The Pacific plate and North American plate are sliding against each other at this example of a __________________ boundary.