What is the main difference between protons and neutrons?

Answer:

Proton has a positive charge

Neutron has a negative charge

Explanation:

proton is a subatomic particle with a positive charge and they are bounded together in an atom's nucleus which results to a strong nuclear force.

Neuron is a subatomic particle with no charge, they are neutral and a neutral atom must have an equal number of protons a d electrons

Which statement below would best illustrate the concept of natural selection?
A an organism can return to the characteristics of its ancestors
B a population of animals will move from one region to another
those organisms that are best adapted to the environment will survive to produce more offspring
D all organisms are made up of cells

Which phase describes "movement around each other" on a molecular level?
A) Solid
B) Gas
C) Liquid
D) Methane

Read the statement

An elephant is walking on the hot African plains in search of food. As it does so, its body temperature increases. As it walks, it comes across a small pond.

What should this elephant do to BEST maintain homeostasis?

Select one:

A. It should jump into the pond to cool off.

B. It should use its trunk to take a drink.

C. It should flap its ears to create a breeze.

D.It should move at a slower pace to conserve energy.

Thanks for helping me!

What is the weather like at a front boundary?

If an organism has six pairs of chromosomes how many chromosomes will be in one cell produced by meiosis?

Which body part represents the notochord in vertebrates

Select the statement which best describes the characteristics a baby raccoon will inherit from a parent. (2 points)
zennie / iStock 2018
A striped tail, black fur across its eyes, and sharp claws
Brown fur and the ability to search for food in groups
Four legs and the need to hibernate when the weather is cold
Webbed feet with claws and fur, and white fur on its eyes

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

please help i am giving brainliest

The endocrine system is made up of glands that

A. secrete enzymes that help to digest food.A. secrete enzymes that help to digest food.

B. carry oxygen to all the parts of the body.B. carry oxygen to all the parts of the body.

C. secrete hormones directly into the bloodstream.C. secrete hormones directly into the bloodstream.

D. carry nerve impulses from one part of the body to another.

No dam links

Which type of weather do anticyclones bring?

Which of the following statements is not part of the cell theory? A) All living cells come frondivision of preexisting cells. B) All cells are surrounded by a cell wall. C). A cell is the smallest unit of life, individually alive even as part of a multicelled organism.​

AG CLASS!!!!!!!!!!!

Which of the following schools offers undergraduates a five-week summer program in Kyoto, Japan, that allows students to study the public gardens of the city?


Purdue University

University of Tennessee

University of California at Berkeley

University of Oregon

What can HIV become? (write it out)

what is the outcome of cell signaling

Plz help me well mark brainliest if you are correct!

The main function of cell respiration is to produce A. glucose B. NADH and FADH2. C. CO2. D.mitochondria E. ATP.​
Again No links thank you!

What do all animals, including vertebrates and invertebrates, have in common?

Question 1 options:

They have backbones, internal skeletons, and muscles.


They are heterotrophs that must get their food from plants or other animals.


They have lungs or gills for breathing.


They are endothermic (warm-blooded).

Question 2 (1 point)
Saved
All animals share several common characteristics. Which is a characteristic shared by all animals?

Question 2 options:

endoskeletons and muscles


sensory organs and backbones


multi-cellular bodies


exothermic blood systems

Question 3 (1 point)
Sam’s teacher asked him to make observations about animals at the zoo. Sam went to the zoo and filled in these two charts that the teacher gave him.



What is the main difference between the species in Group 1 and Group 2?

Question 3 options:

Group 1 has small organisms, Group 2 has large organisms.


Group 1 are endothermic, Group 2 are exothermic.


Group 1 are vertebrates, Group 2 are invertebrates.


Group 1 has exoskeletons, Group 2 has soft bodies.

Question 4 (1 point)
Which of the following is a characteristic of all mammals?
Question 4 options:

lungs


hair


tail


both 1 and 2

Question 5 (1 point)
What is the benefit of an arthropod’s exoskeleton.

Question 5 options:

It allows arthropods to breathe.


It protects and supports the arthropod’s body.


It allows the arthropod to get food.


It allows the arthropod to see far distances.

Question 6 (1 point)
What do arthropods and segmented worms have in common?

Question 6 options:

They both have segmented bodies during some stage of their life.


They both have hard outer shells that are unmovable.


They both have bones and vertebrae.


They both lack any sense organs.

Question 7 (1 point)
To which group of invertebrates do cephalopods, such as squids, belong?



Question 7 options:

Arthropods


Echinoderms


Cnidarians


Mollusks

Question 8 (1 point)
Sweat glands, fur, and feathers are found on an endotherm.

Question 8 options:

True


False

Question 9 (1 point)
Vertebrates and invertebrates differ in the presence of a backbone. Another characteristic that distinguishes most vertebrates from many invertebrates, is that vertebrates —

Question 9 options:

have a relatively well-developed brain and circulatory system.


have long tube-like bodies that are divided into segments.


take in oxygen from their skins rather than from an inside organ.


have hard outer covering called exoskeletons.

Question 10 (1 point)
During chilly days, you might notice lizards lying (“basking”) in sunny areas. Why do lizards bask in the sun?

Question 10 options:

Ectothemic animals are lazy and the sun puts them to sleep.


Ectothermic animals need to get tanned by the sun's rays for camouflage.


Ectothermic animals use the suns rays to help them hide from enemies.


Ectothermic animals need the warmth from the sun to allow them to move around and hunt for food.

Question 11 (1 point)
Which group of animals could be correctly classified as endothermic?



Question 11 options:

robin, squirrels, mice


bears, snakes, wolves


frogs, lizards, snakes


groundhogs, hawks, crab

Question 12 (1 point)


Using the table, which statement is true?

Question 12 options:

Organisms in both Groups A and B have similar mechanisms for controlling their internal temperatures.


Organisms in Group A have fewer mechanisms for controlling their internal temperatures than those in Group B.


Organisms in both Group A and B usually coexist peacefully.


Organisms in both Group A and B are extinct species.

Question 13 (1 point)
How do “warm-blooded” animals cool off?

Question 13 options:

They convert the food they eat into cool energy.


They sweat or pant to lose heat by water evaporation.


They move to colder climates.


They move around a lot to stimulate their circulation.

Question 14 (1 point)
An animal takes on the temperature of their surroundings so they don't have to use food energy to keep warm. This means they don’t have to eat as often. They are considered an __?

Question 14 options:

Endotherm


Ectotherm

Question 15 (1 point)
Which of these factors is used to classify the different organisms on Earth into Kingdoms (such as protists, fungi, plant, animals, and bacteria) ?

I Number of cells in the organism

II How the organism obtains energy

Question 15 options:

I only


II only


I and II

Question 16 (1 point)
It's sunny in New York, but it is cool. Where would you expect to find this lizard during the day?



Question 16 options:

Under a rock


In a damp stream bed


Basking in a sunny spot


In a hole in the ground

What causes matter to be in a particular state (phase)?

Why is color NOT the best property to identify minerals A) different minerals can have the exact same colors B) all minerals have the same streak C) color can change due to impurities D) all minerals have one type of element

PLEASE ANSWER THIS QUESTION :(​

The graphs below show the population size of Organism A in a local lake, and the average temperatures of the lake by month.

Answer choices:

A) June
B) May
C) August
D) July

The evolutionary species concept defines a species as: A. a group of populations that have shared a past and will have a shared future B. reproductively isolated populations C. smallest monophyletic taxa D. morphologically similar populations

These animals are similar in many ways except for which one of the following?
A. Both lay eggs on land.
B. Both can survive on land or in water.
C. Both mothers stay close to their eggs.
O D. Both look like adults, only smaller.

PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

What are five decomposers that are found in or around Pride Rock in the movie Lion King

Which is the smallest of the terrestrial planets?
A. Mercury
B. Earth
C. Venus
D. Mars

How are organisms different from one another?

help pleasee!! A fern plant is growing in the forest by Scott's house. The leaves of the fern plant are small and green. Scott often finds small caterpillars eating the leaves of the fern plant. Which of the following is an inherited characteristic of the fern plant? No links!!

A. The shape of the fern plant’s leaves.
B. The location of the fern plant inside the forest.
C. The distance of the fern plant from Scott’s house.
D. The number of leaves that are eaten by caterpillars.

The base of all ocean food chains are formed by

In an energy pyramid, the bottom level represents...

A. consumers

B. producers

C. scavengers

D. decomposers