Christopher Columbus used the presence of suspended seaweed in the ocean to
determine how far away he was from the coast of the Africa. Seaweed, or kelp, is
placed under the Protista kingătom. What type of protist did Columbus see?
a)protozoa
b) slime mold
c) water mold
d) brown algae

Answers

Answer 1
Your answer is d he saw brown algae
Answer 2

Brown algae is the type of protist Columbus saw. Therefore, option (D) is correct.

What are brown algae?

Seaweed is a type of brown algae, which is a type of protist that belongs to the kingdom Protista. Brown algae are large, multicellular algae that grow in the ocean and are often found in shallow, warm waters. They have a complex structure and are made up of many cells that are organized into tissues and organs. Brown algae are photosynthetic, meaning they use sunlight to produce energy and nutrients, and they are an important source of food and habitat for many marine organisms.

Other types of protists include protozoa, which are single-celled, heterotrophic organisms that can move using cilia, flagella, or pseudopodia; slime molds, which are fungi-like organisms that can move and are often found in moist environments; and water molds, which are fungi-like organisms that can grow in water and can cause disease in plants and animals.

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Related Questions

What is the estrus synchronization?

Answers


Estrous (heat) synchronization in beef cattle involves manipulating the females' estrous cycle so they can be bred at about the same time. The normal 21-day estrous cycle in beef cattle can be altered by following an effective estrous synchronization protocol.

PLEASE HELP! WILL GIVE POINTS. WORTH 20 POINTS. ANSWER BOTH.

Answers

well pal sorry but u forgot the imgs or what u needed us to do

I need a huge explanation!! I’ll give brainliest.

Answers

Answer:

Deep-ocean tsunami detection buoys are one of two types of instrument used by the Bureau of Meteorology (Bureau) to confirm the existence of tsunami waves generated by undersea earthquakes. These buoys observe and record changes in sea level out in the deep ocean.

Explanation:

hope this helps.. if correct give me brainliest plz!!!!

20 POINTS!! HELP ME PLZZ I NEED HELP WITH THIS!!

Answers

Answer:

The correct options are A and B

Explanation:

The two sentences that describe how meiosis differs from mitosis are - "Meiosis produces cells with half the chromosomes of the parent cell" and "Meiosis produces either male or female gametes."

Once blood delivers oxygen, what does it pick up from cells on its way back to the heart?


nutrients


nitrogen


carbon dioxide

Answers

Answer:

Your answer is C) Carbon Dioxide.

Answer:

I'm fairly sure its carbon dioxide .

Do you think these fish are an example of natural selection among two populations of the same species? Explain your answer.​

Answers

Answer:

It depends on the fish (I do not see any pictures) Any fish is an example of natural selection.

Explanation:

A good example would be that polar bears grew and evolved to have white fur to blend in the snow to sneak upon prey. However, their brown bear counterparts failed to do that. So due to better camouflage and hunting technique, the polar bears survived more up north.

Answer:

The two fish are of the same species because they can mate with each other. Also, the characteristics of the blind cave fish enable them to live in caves. Eyes need energy. So, developing bodies with no eyes allowed these fish to function more efficiently.

Explanation:

What does DRAPP stand for?​

Answers

Answer:

Denver Regional Aerial Photography Program

Answer:

Denver Regional Aerial Photography Program

Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.


hands and feet

sternum

skull

hips

ribs

shoulders

arms and legs

vertebral column

Answers

Answer:

Hello the correct answers are......

Classify the sets of bones below as being part of the axial skeleton or the appendicular skeleton.

✔ appendicular skeleton = hands and feet

✔ axial skeleton  = sternum

✔ axial skeleton  = skull

✔ appendicular skeleton = hips

✔ axial skeleton = ribs

✔ appendicular skeleton = shoulders

✔ appendicular skeleton  = arms and legs

✔ axial skeleton  = vertebral column

Explanation:

just took the test from edge

hope this helps :P

Hii!! (: The correct answers are:

appendicular skeleton - hands and feet

axial skeleton - sternum

axial skeleton - skull

appendicular skeleton - hips

axial skeleton - ribs

appendicular skeleton - shoulders

appendicular skeleton - arms and legs

axial skeleton - vertebral column

(25 points!!!!) PLEASE HELP

Answers

Answer:

true

Explanation:

Answer:

False

Explanation: Chicken hands do not have any similarites to a human hand since their both built differently they also have different type of veins

How are proteins made and secreted out of the cell by using active transport​

Answers

Answer:

diffusion

Explanation:

it puts it out and reduces it

Why are organisms classified?
A. biologists use a system of classification to group organisms based on their size
B. biologists use a system of classification to group organisms based on their political view
C. biologists use a system of classification to group organisms based on their birth date
D. biologists use a system of classification to group organisms based on their similarities

Answers

The answer is D
:)))))

Make a list of ecological consequences that you can infer have occurred on Guam due to the introduction of the invasive (nonnative) brown tree snake

Answers

Answer:

There are many ecological consequences that could have, or already have, occurred.

Invasive species are notorious for the chaos and destruction they bring upon ecosystems. As an ecosystem is perfectly balanced, a new factor causes this to become askew. The brown tree snake may hunt prey that is the main diet of a different species there. This may cause both the prey and native species to begin to die off, and if the prey goes extinct because of this, the native species will as well, unless they somehow adapt. Not only this, the brown tree snake is known for causing frequent power outages by climbing on electrical wires. They are the cause of the loss of 9 out of 11 forest birds native to Coco's island. They are causing a serious decline in birds, rodents, lizards, and even bats in Guam.

What do plant-like protists contain that make them similar to plants?
a) DNA
b) ribosomes
c) amino acids
d) chlorophyll

Answers

Answer:

d

Explanation:

Chlorophyll is the answer

Which of the following most likely indicates that a chemical change has
happened?
A. A plate breaks when it falls to the floor.
B. There's a loud sound when a jet airplane starts its engines.
C. An icicle melts in the sun.
D. A can is crushed when it is stepped on.

Answers

Answer:

Option B

Explanation:

A plate breaking when falling to the floor would be a physical change, not chemical, as what the plate is created from would not change.

An icicle melting in the sun would be a physical change, as an icicle is frozen water, and after melting it would be normal water.

A can being crushed is still just a physical change, as the material making the can(typically aluminum) has not changed.

When a jet airplane starts its engines, fuel is combusted, creating energy for the engines to start. This would create the loud noise. As fuel is combusted, it turns into different things, henceforth the sound would imply a chemical change has occurred.

So this is a simple yes or no question
In photosynthesis is the water broken down by hydrogen molecules yes or no

Answers

yes i think so, but not sure
Water splitting is the chemical reaction in which water is broken down into oxygen and hydrogen. It says it gets broken down into hydrogen so no i don’t think it is broken down BY hydrogen.

SOMEONE HELP!!! ITS FOR A MAJOR GRADE!!
"Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits. He recognized the mathematical patterns of inheritance from one generation to the next."
Through his work, Mendel published his experiments to explain his findings.

What did his laws of inheritance state?
SELECT ALL THAT APPLY
A.Parental genes are randomly separated from the sex cells so that sex cells contain only one gene of the pair.

B.Each trait of an organism can contain multiple alleles of that trait.

C.Organisms with alternate forms of a gene will express the dominant form of the gene.

D.The inheritance of one trait is not dependent on the inheritance of another.

E.Genes can be transferred from the parent generation directly to the offspring based on the environmental factors surrounding the offspring.

Answers

Answer:

A B and D i think

Explanation:

What are some of our key mineral resources and what are our known reserves?

Answers

Answer: heyy

nnejdew

Explanation:

Density describes how much mass is contained in a certain volume. Knowing how far apart molecules are in each state, which best ranks solids, liquids, and gasses from least dense to most dense?

Gasses are denser than liquids.
Liquids are denser than solids.
Gasses are less dense than solids.
Solids are less dense than liquids.

Answers

gases are less dense than solids. this is because, since density refers to how close the particles are together, in gases, there is more space for the particles to move, making it less dense than solids.

Solids have a high density because the particles are very close together, a liquid mass is slightly less dense, and a gas mass has a very low density with the particles much further apart.

What Is a Density?

The measure of how densely a material is packed together is called density. As the mass per unit volume, it has that definition. Density Formula: D or Density Symbol: D ρ = m/V where the object's mass (m), its volume (V), and its density () are all given.

Generally, gases are less dense than liquids, while liquids are less dense than solids. This is due to the fact that solids have tightly packed particles, liquids have materials in which particles can slide around, and gases have free-moving particles.

Therefore, Gasses are less dense than solids because particles are far away from each other in gas masses.

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Which of the following has the particles with the least kinetic energy
(motion) of it's particles?

Answers

Answer:

Explanation:

Kinetic energy is dependent on temperature. The higher the temperature the faster the kinetic energy. You didn't give any answer options but choose the one that is at the highest temperature.

Which internal structure is an adaptation that provided organisms with the function to perform gas exchange on land?

Answers

The answer is the Gal bladder

Answer:lungs

Explanation:

Lungs

which part of the amino acid most likely contributes to the hydrophobic behavior if this region in the polypeptide

Answers

Answer:

This question is incomplete

Explanation:

This question is incomplete, however, the side chain is usually the part of an amino acid that is either hydrophilic or hydrophobic in nature. When the side chain has little or no polarity (i.e they lack the ability to interact with highly polar water molecules), the amino acid exhibits hydrophobic properties. Hydrophobic (water-fearing) substances are substances that do not interact/dissolve in water.

What can you infer from the following example? “Long extensions on nerve cells allow these cells to relay messages to other cells.”
A- cells come from preexisting cells
B- cell shape helps cells perform specific functions
C- all organisms are made up of more than one cell

Answers

Answer:

The right answer is B cos cells shape helps them perform specific functions

Explanation:

Plz give me brainiest

Is humidity in atmosphere related
to the functioning of biotic factors
in an ecosystem ???

please answer this question ​

Answers

Answer:

No

Explanation:

Humidity in the atmosphere is related to the functioning of the Abiotic factors in an ecosystem.

What is the correct answer?

Answers

with unbalanced forces

What is natural breeding?

Answers

Answer:

Natural breeding refers to the random mating that occurs between two individuals of the same species. Conversely, selective breeding has been performed for centuries by humans hoping to produce offspring with desirable traits.

Use the results of Demetri's experiment to explain why the color changed on some test strips but not others.

Answers

Answer:

It did this because some of the soultions didnt have glucose.

Explanation:

i will give brainliest to whoever can answer this science riddle first and accurately :)
I’m at the beginning of earth’s timeline, but at the end of life’s start. I was there when a T-rex began, but in the middle of it’s asteroid end. What am I?

Answers

I believee it's the Cretaceous Period?

All of the dinosaur periods are at the start of Earth's timeline, and "the end of life's start" suggests the end of dinosaurs, meaning, when the asteroid hit. So it's probably one of the Mesozoic periods.

The T-rex first appeared in the Cretaceous Period, and the asteroid hit somewhat during middle of the Cretaceous Period.

I hope I'm right, and I hope this helps!

Plz help
.
17.Base your answer to the following question on the diagrams below of two cells, X and Y,
and on your knowledge of biology
B
Cell X
Cell Y
Identify one process that is carried out in cell that is not carried out in cell X.
Your response:

Answers

Answer:

cell y is correct

Explanation:

What is the smallest living organism on Earth?

Answers

Answer:

Nanoarchaeum equitans

Explanation:

i hope this help

what is the connection between mitosis and cancer

Answers

Answer:

Checkpoints

Explanation:

Cancer is essentially a disease of mitosis - the normal 'checkpoints' regulating mitosis are ignored or overridden by the cancer cell. Cancer begins when a single cell is transformed, or converted from a normal cell to a cancer cell.

Answer:

Cancer: mitosis out of control

Mitosis is closely controlled by the genes inside every cell. Sometimes this control can go wrong. If that happens in just a single cell, it can replicate itself to make new cells that are also out of control. These are cancer cells

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