what evidence suggests that birds evolved from theropod dinosaurs?

Answers

Answer 1

Answer:

Feathers

Explanation:

For a long time, feathers were regarded as a uniquely avian feature. Bur recent fossil evidence suggests that feathers, too, evolved in theropods before birds.


Related Questions

organisms can be separated by their most basic characteristics into the broadest groups known as

Answers

Answer:

They are separated into the broadest group known as domains

Explanation:

Domains are the largest groups there are

Hope this Helps

Organisms can be separated by their most basic characteristics into the broadest groups known as Kingdoms.

What are kingdoms?

It is a taxonomic group composed of smaller groups called phyla. The classification of living organisms into kingdoms is a way of organizing the diversity of life into manageable categories.

The most widely recognized system of classification is the Five kingdom classification which was given by Robert Whittaker which recognizes kingdoms such as- Monera, Protista, Fungi, Plantae and Animalia.

Each kingdom is further divided into smaller groups based on increasingly specific characteristics until the species level is reached. The system of classification is constantly being refined with the discovery and interrelationship between different organisms.

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HELP PLS GIVING OUT BRAINLIST!!

Answers

Answer:

I think D is the answer because it helps bring brainlist

Answer:

D because photosynthesis occur in the leaf in the presence of sunlight trapped by chlorophyll, a pigment in the chloroplast.

Which chemical test shows the presence of enzymes in biological washing powder

Answers

Answer:

yes they are powder it's correct

Answer:

I think that it is lipcase (the c isn't suppose to be their).

Convert 3.221 x 100 L to milliliters. A) 0.3221 mL B) 3.221 mL C) 322.1 mL D) 322,100 mL

Answers

Answer:

322,100 mL

Explanation:

1 L = 1000 milliliters

100 L

= 100 x 1000

= 100000 milliliters

3.221 x 100 L

= 3.221 x 100000

= 322,100 mL

Give me a hypothesis for lung capacity. DON"T COPY ROM THE INTERNET! PLEASE!

Answers

what are you looking for in your hypothesis

PLEASE HELP I WILL GIVE BRANLIEST. MULTIPLE QUESTION

Answers

The answer to your question is the atmosphere and the hydrosphere

This is because the atmosphere and hydrosphere are linked because the ocean dissolves carbon dioxide from the air, but also releases it. The amount of carbon dioxide in the two spheres reaches some sort of equilibrium depending on many different factors.

which type of blood vessel holds the greatest volume of blood?

Answers

Answer:

The venous vasculature

Explanation:

70-80% of blood volume is found there.

plant leaves contain openings called stomata, which allow the diffusion of _______.

Answers

Answer:

plant leaves contain openings called stomata, which allow the diffusion of gas exchange

Plant leaves contain openings called stomata, which allow the diffusion of gases.

WHAT ROLE DOES STOMATA PLAY?

Plants are living organisms that obtain carbon dioxide (CO2) gas from the atmosphere and give off oxygen gas in the process of photosynthesis.

They contain a structure that opens and closes on their leaves called stomata. This stomata functions as a means of gaseous exchange between the plant and the environment.

Therefore, plant leaves contain openings called stomata, which allow the diffusion of gases.

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Which statement best describes a political consequence of sustainable waste management?

Industries are responsible for improper waste clean-up.
Incinerators release fewer emissions into the atmosphere.
Transporting waste to other countries saves land for housing.
Ecosystems are saved when less land is used for landfills.

Answers

The statement that best describes the political consequence of sustainable waste management is that industries are responsible for improper waste clean-up.

When referring to political consequences we are referring to the possible effects of a situation on the public view of the entity. What this means is that if a corporation takes a certain action, there will be political consequences, which can be good or bad. To offer some examples:

Good: A company that makes cereal optimizes its production to create fewer emissions, as a consequence, more people buy this cereal because they know it is better for the environment.Bad: A company dumps its toxic waste into the nearby river, as a consequence, the community protests and boycotts the company.

The statement that Industries are responsible for improper waste clean-up is an example of a political consequence, this statement corresponds perfectly to the example given of a bad political consequence. It can also cause good consequences in that if the Industry properly disposes of their waste, they may be viewed more favorably in the public eye.

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I will give you brainniest.
Gas exchange between humans and plants involves
A)humans giving NHz to plants and plants giving H20 to humans
B)humans giving Oz to plants and plants giving CO2 to humans
C)humans giving C02 to plants and plants giving O, to humans
D)humans giving H20 to plants and plants giving H202 to humans​

Answers

The answer should be C!
Humans breathe in oxygen (O) and release C02
Plants use C02 and release oxygen! (O)

Answer:

it has to be c?

Explanation:

plants give off oxygen. and humans breathe out co2.





what’s the answer?


bio


Answers

D D D D D D D D D D

Answer:

D.

Explanation:

naturally bioluminescent jellyfish

*100 points* *Giving brainiest*

Answers

Answer: What is the  question?

Answer:

we need the question

Explanation:

DESPERATE PLEASE HURRY, WILL MARK BRAINLLIST FOR CORRECT ANSWER
In the United States, 17% of energy is used for agriculture. How is this possible, if plants photosynthesize with sunlight?

Answers

Explanation:

17% of energy is used for agriculture...

how? plants need sunlight to do photosynthesis and maybe if only 17% of is used for agriculture people might get low product.. and they should atleast apply 50 to 60 percent so that more plants can do more photosynthesis and thus, they will get more products.

Question 1
We learned that warming of the ocean can change the currents. Would this affect locating the nesting beaches?
A. Yes
B. No

Answers

Answer:

Yes

Explanation:

Weather extremes, also linked to climate change, mean more frequent and severe storms which alter nesting beaches, cause beach erosion, and inundate, or flood sea turtle nests. ... Warming ocean temperatures influence migratory species by altering currents and impacting the distribution and abundance of prey species.

If a human wanted to have the most efficient absorption of energy, what trophic level would they want to eat from?

Answers

the first trophic level

they would want to eat the primary producers, which are located at the first trophic level. due to the 10% rule only 10% of the energy from the previous trophic level is passed on.

If a human wanted to have the most efficient absorption of energy, they want to eat from the first trophic level.

What is meant by Trophic level?

The Trophic level may be characterized as an organism occupying a specific place in the food chain that runs in an ecosystem. It determines the exact location of each and every organism on the basis of its mode of nutrition.

As we all know that the first trophic level is generally tenanted by the plants which are producers. These organisms directly captured sunlight and derive their food. They are also known as Producers.

According to the 10% law given by Lindeman, only 10% of energy gets successfully transmitted into the next trophic level. So, the first trophic level delivers the most efficient absorption of energy to humans.

Therefore, if a human wanted to have the most efficient absorption of energy, they want to eat from the first trophic level.

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The energy "lost" by a system is?
A. Converted into an equal amount of matter.
B. Equal to the energy the system creates.
C. Converted to lower quality energy.
D. Return to the system, eventually.

Answers

Answer:

D

Explanation:

return to system- since it gets back into system in an different form since it cannot be destroyed

It can be A also, not so sure

where will the water go?

A)equally in and out - equilibrium

B)into the cell

C)out of the cell

Answers

Answer:

c) out of the cell

Explanation:

The process of osmosis is the diffusion of water across a membrane. It is crucial for organisms to balance water between themselves and their surroundings.

Since this cell is placed in a solvent containing more solutes than inside the cell, the cell is considered to be in a hypertonic solution, and thus will expel water out.

P waves and S waves are alike because they are the fastest waves and they occur
with in the earth's interior.
True or
False

Answers

Answer:

False!

Explanation:

S waves are a fraction as fast as P waves, around 50 - 60% slower than the major P waves. P waves can go through solids and molten metal, while S waves can only go through solids.

Hope this helps! Mark me brainliest :)

how many atoms of CaCO3 are in 22.6 moles of CaCO3

Answers

You do 22.6 moles x (6.022(10^23))/1 mole

How does matter change during a chemical reaction?

Answers

Answer:

During a chemical reaction, what happens to matter? An atom is regrouped or rearranged during a chemical reaction. During chemical reactions, two or more chemical bonds are formed or broken, not atoms

Explanation:

A chemical change produces a new substance, while a physical change does not. Reactions involving chemical elements involve combining them. New, different chemical and physical properties result from the chemical reaction. The chemical reaction cannot destroy or create matter. A new substance is formed when particles of one substance are rearranged.

why does external fertilization typically occur much more often in aquatic animals than in terrestrial animals?

Answers

The options for this question are:

The gametes are hydrophobic so they must be suspended in water to avoid clumping.

The gametes must be produced in large numbers, which can occur only in aquatic environments.

The gametes must be kept wet to avoid desiccation

Your answer is C; The gametes must be kept wet to avoid desiccation

Good luck!

what part of the fibula is found near the knee joint?

Answers

The part of the fibula that is found near the Knee joint is the head

What is the relationship between the ETC and oxygen?

Answers

Answer:

The relationship between the two is that ETC allows cytochrome to pass into it's final acceptor oxygen.

Explanation:

An individual suffering from a vitamin deficiency has too much of the particular vitamin in her body.
True
False

Answers

Answer:

i think that it is false because if you have a deficiency it means that you have less of something.

rice is what type of carbohydrate

Answers

Answer:

complex carbohydrates: These are also called starches.

the chromosomes line up in the center of the cell during which phase of mitosis?

Answers

Answer:

Chromosomes line at the center during metaphase, and spindle fibers are attached.

which part of the neuron directs the manufacture of substances that help the neuron grow?

Answers

Answer:Psychology Chapter 3 Key Terms and Definitions

A B

Cell body The part of the neuron that contains the nucleus, which directs the manufacture of substances that the neuron needs for growth and maintenance.

Explanation:

brainliest pls

The part of the neuron directs the manufacture of substances that help the neuron grow in the cell body. The correct option is b.

What are neurons?

The cell body, dendrites, and axon are the three components that make up a neuron. The majority of the molecules that the neuron requires to survive and operate are produced in the nucleus, which is part of the cell body.

The chromosomes, which make up the genetic makeup of the cell, are located inside the nucleus. The nucleus regulates protein synthesis through these chromosomes, as well as cell growth and differentiation into its final form.

The neurotrophins serve as axon guidance molecules, encourage synaptogenesis, and support the growth and survival of neurons.

Therefore, the correct option is b, cell body.

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The question is incomplete. Your most probably complete question is given below:

synapse

cell body

nucleus

glial cells

3 estructuras que se encarguen de la absorción

Answers

Answer:

hhajakaaalslslslslsll

Explanation:

sorry i didn't understand

kaiaisopspspslslslslskkkd hwuwiwllwl

someone help I have no idea

A direct electrical current is different from an alternating current because only the direct electrical current-

A- can be converted to other forms of energy

B- produces a high voltage

C- flows without resistance

D- allows the flow of electrons in one direction

thanks so much

Answers

the answer to your question is d

Explanation:

option D, allows the flow of electrons in one direction, is correct answer,

hope this helps you.


When you lift an object, you're using
stored in your body.

Answers

Answer:

Potential Energy

Explanation:

This is the energy stored in your body, so this would be the energy you use while lifting something.

You’re using potential energy
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