Based on the phylogenetic tree, identify approximately how many millions of years ago the earliest south Asian river dolphin evolved

Answers

Answer 1

my guess is that it is 130 Million


Related Questions

Which organelle converts sugars into energy?

A. lysosome
B. mitochondrion
C. nucleus
D. ribosome

Answers

B. Mitochondrion because it is the powerhouse of the cell and it is where sugar is broken down into ATP

The organelle that converts sugars into energy is the mytochondrion, which is the powerhouse of the cell, so the correct option is B. mitochondrion

Which organelle converts sugars into energy?

The mitochondrion is often referred to as the "powerhouse" of the cell because it is responsible for generating energy in the form of adenosine triphosphate (ATP) through a process called cellular respiration.

During cellular respiration, glucose (a sugar) and oxygen are metabolized within the mitochondria to produce ATP, which serves as the primary energy currency of the cell. The mitochondria are present in most eukaryotic cells and play a crucial role in energy production.

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Please anyone one help please no links

Answers

Answer: I think it is c

Explanation: if they make artificial coral reefs that would provide homes for the fish and aquatic animals. This would cause biodiversity to increase.

A student conducted an investigation to study gravitropism. The control group was planted normally, while the experimental group was planted upside down. After seven days, the control group looked normal. The experimental group after 7 days the roots started to grow toward the direction of gravity. Which statement best explains why the experimental group started to grow toward the ground?

Answers

Answer:

gravity?

Explanation:

Why should organisms that produce more offspring have a more likely chance of survival?

Answers

Answer:Organisms must struggle to get what they need to survive, competing against other organisms that want the same things they do.

Explanation:

Answer:

I will try to put this in the simplest terms I can:

If you think about it, organisms actually do not live that long. There are multiple cause and effect reasons, such as low resources, no food, extinction, and so on. Thus, organisms must produce offspring to keep their "family line" consistent.

Single celled organisms are part of the ____________________ group

Question 2 options:

Eukaryota


Bacteria


Archaea


All of the above

Answers

Answer:

bacteria and archaea

Explanation: Only the single-celled organisms of the domains Bacteria and Archaea are classified as prokaryotes—pro means before and kary means nucleus

Name the primary producers of grassland ecosystem

Answers

Answer:

Explanation:

Grasses, shrubs, trees, mosses, lichens, and cyanobacteria are some of the many producers found in a grassland ecosystem.

A DNA strand has the following bases: AGACCATA. What are the bases on its complementary strand?

Answers

Answer:

1 AAGCCA

2 ACCGAA

3 TTCGGT

4 CCATTC

what are the feeding habits of an earthworm?
~(✿^‿^)~ helo pls​

Answers

Answer:

Earthworms enhance the soil by their burrowing and feeding habits. Earthworms basically eat their way through the soil, and they have a tremendous ability to process the dirt they live in. Some studies suggest that in one acre of top soil, earthworms consume and mix more than 20 to 40 tons of soil per year.

Hope it helps

what is the function of the periwinkle leaf?​

Answers

Answer:

periwinkle is used for “brain health” (increasing blood circulation in the brain, supporting brain metabolism, increasing mental productivity of leef

What is NOT a physical change
A. Getting clothes wet
B. Burning a candle
C. Breaking glass

Answers

Answer:

a

Explanation:

I think that’s it’s a

When something acts against something, causing it to have less of an effect what is it called?

Answers

Answer:

Counteract

Explanation:

You are describing the definition of the word Counteract so that must be the answer.

how does greenhouse effect warm the earth?​

Answers

Answer:

[tex]\color{Blue}\huge\boxed{Answer} [/tex]

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. The absorbed energy warms the atmosphere and the surface of the Earth.

I think it’s tree am I right?

Answers

Answer:

mm yes tre.........

Explanation:

Sharks are the top predator in a marine ecosystem. By eating them, sharks maintain a balance in the population of smaller organisms. If the shark’s population were to decrease, the smaller organisms would increase greatly, interrupting the food web. Which of the following relationships is MOST similar to the relationship between the shark and the marine ecosystem?

Answers

Answer:

what are the options ??

Explanation:

state two adaptive features of sperm​

Answers

1. Sperm contains many mitochondria to provide energy.
2. The head contains enzymes that help the sperm break through the cell membrane of an egg.

If you cross an Aa individual with another Aa individual, what will the genotype ratio be in the next generation? What will be the phenotype ratio?

Answers

Answer:

Aa x Aa makes Aa because its a dominant gene. each square represents 25% so if u have 2 squares with Aa for example the ratio will be 2:4 (so 50%) if the gene is recessive then for the next generation it will go down to 25% unless another Aa allele is introduced in the next generation

Explanation:

Answer:

                        AA : Aa : aa                                 Dominant : Recessive

Genotype ratio=> 1 : 2 : 1                   Phenotype ratio=> 3 : 1

Explanation:

    A      a

A  AA   Aa

a   aA   aa

Punic Square

A student is observing an image of an object that could be a comet, meteoroid or asteroid. Which of the following questions
would BEST confirm that the object is a comet?

A. Does the object contain ice?

B. Does the object contain metals?

C. Where is the object found?

D. How big is the object?

Answers

Answer:

A does the object contain ice

Explanation:

The BEST question that would confirm that the object is a comet is "Does the object contain ice?" Hence the correct option is A.

What are comets?

Comets are small, icy celestial bodies that originate from the Kuiper Belt and the Oort Cloud. As they approach the Sun, they heat up and release gas and dust in the form of a coma and a tail, which can be observed from Earth. Therefore, if the object contains ice, it is most likely a comet.

Meteoroids, on the other hand, are smaller rocks that travel through space, and asteroids are larger rocks that orbit the Sun between Mars and Jupiter. Neither meteoroids nor asteroids typically contain ice.

As for the other options, whether the object contains metals or how big it is does not provide enough information to determine whether it is a comet, asteroid, or meteoroid. And while the location of the object may provide some clues about its origin, it is not a definitive factor in determining whether it is a comet.

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Which product shown in the picture is not made for a natural resource that comes from living thing

Answers

Answer:

metal fork is the answer

Answer:

the metal fork is the answer !!!!

Explanation:

Here -

1. wood comes from a tree that is living.

2. chicken breast is from a chicken that is living.

3. slice tomatoes are from plants which plants are a living thing.

18. Jason is an average 15-year-old. His doctor tells him that his blood pressure is 122
over 70. This means that
A. Jason has low blood pressure
B. Jason has high blood pressure
c. Jason's systolic blood pressure is 122 and his diastolic blood pressure is 70
D. Jason's diastolic pressure is 122 and his systolic pressure is 70

Answers

Answer:

B

Explanation:

i think

Which describes how "Work Smarter, Not Harder" and "The Crow and the Pitcher" present the theme?

A The crow fills the pitcher with stones, and Kari pulls the field out from under the snow.

B The crow is challenged by the half-full pitcher, and Kari faces the board listing chores.

C Both the crow and Kari work slowly and steadily at their tasks.

D Both the crow and Kari must complete tasks in order to gain a reward.

Answers

Answer:I don’t know sorry

Explanation:

Answer: D

Explanation:

What do red blood cells carry?

Answers

Answer:

red blood cell carry oxygen

hope it helps.

Answer:

Red blood cells carries oxygen .

hope it is helpful to you

Which of the following is a physical adaptation for the underlined animal?

Answers

Answer:

Physical adaptations do not develop during an individual animal's life, but over many generations. The shape of a bird's beak, the color of a mammal's fur, the thickness or thinness of the fur, the shape of the nose or ears are all examples of physical adaptations which help different animals survive.

explain how the structure of a book lung allows it to perform its function

Answers

Answer:

Book lungs are within small openings in the abdomen of the arachnid. The book lungs themselves consist of a series of haemolymph filled plate-like structures. Between the plates there is an air space and this allows air to circulate around the plates. Gaseous exchange then occurs through the surface of the plates.

The picture below shows some features of the ocean floor. (1 point)

At which of these locations does the ocean floor spread apart to form new oceanic crusts?
Location A
Location B
Location C
Location D

Answers

Answer:

I think the answer should be D

Explanation:

Answer:

It is D

Explanation:

New oceanic crust will form

What is the body’s central command organ

Answers

Answer:

. The brain is the command center for your body

Explanation:

A scientific study demonstrated that rat mothering behavior impacts the stress response in their pups. Rats that were born and grew up with attentive mothers showed low activation of stress-response genes later in life, while rats with inattentive mothers had high activation of stress-response genes in the same situation. An additional study that swapped the pups at birth (i.e., rats born to inattentive mothers grew up with attentive mothers and vice versa) showed the same positive effect of attentive mothering. How do genetics and/or epigenetics explain the results of this study

Answers

Answer and Explanation:

Regarding genetics, the results of the study show that the mother's genetic material does not influence the behavior of rats in times of stress or in the biological responses of rats to these stressful moments. This is because the mice inherited their mothers' genes, but did not show the same results in a stressful situation when they were raised with different mothers.

Regarding epigenetics, however, we can see that the mothers' behavior in relation to the care of rats managed to provoke epigenetic changes that prevented or stimulated the expression of genes linked to stress, in these rats. The rats that were raised with attentive mothers showed a low expression of stress-linked genes, regardless of the biological mother they had. In addition, it is possible to notice that this modification is permanent, since the rats presented this same type of response throughout their lives.

In this Punnett square used to predict genetic crosses, RR represents the _________ of the organism.A) appearance B) chromosomes C) genotype D) phenotype

Answers

Answer:

Genotype

Explanation:

A genotype is represented by two letters, called alleles, and describes the genes of an organism. Phenotype means the physical characterisitics of an organism. Chromosomes and appearance are irrelevant to this question. Hope it helps :)

Answer:

C) genotype

Explanation: I took the test

PLEASE HELP WITH MY BIOLOGY

Answers

answer is the second option by the way :)) !

Which organisms are producers?


Select all correct answers.

a. mushrooms
b. frog
c. grass
d. tree

Answers

Answer:

Grass and tree

A producer is a living thing that makes its own food. All food chains begin with producers.

( I am in LOVE with your pfp <3 )

Grass and tree. Mushrooms are composers and frogs do not prepare foods by themselves. (Btw love your nagito pfp) :)

Where are you most likely to find plant roots?
A) C Horizon
B) B Horizon
C) A Horizon
D) O Horizon

Answers

Answer:

A Horizon

Explanation:

So C :)

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