All sodium atoms have 11 protons in the nuclei of sodium Adams contains 12 neutrons and others contain 11 these different forms of sodium are called?

Where does energy first come into an ecosystem?
A producers make energy
B the sunlight provides energy to producers
C consumers obtain energy from animals
D scavengers obtain energy from dead plants

What does structure C represent?
o Thylakoid
O Stroma
O Granum
o Chloroplast

Which is faster, our reaction to sights or our reaction to sounds?

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Each trait of a plant is determined by

an allele

one gene

a pair of genes

one dominant gene

Hemoglobin, insulin, albumin, an maltose, which are composed of chains of amino acids, are examples of

WILL GIVE BRAINLIEST AND POINTS
Evaluate the following argument from a Darwinian perspective? Humans are still evolving, I am a human. Therefore, I am evolving. True or False?

Electrodes work with a sort of "echo" process, where they emit a tiny electrical pulse then receive a responding pulse from the heart
True or False?

The school district wanted to determine whether the more expensive floor wax (Brand A) was better than the cheaper (Brand X) floor wax at protecting its floor against scratches. One liter of each brand of floor wax was applied to each of 10 test sections of the cafeteria floor. The test sections were all the same size. Ten other test sections received no wax. After 4 weeks the number of scratches in each of the test sections were counted.
1 What is the independent variable for this experiment?
2 What is the control group for this experiment?
3 What is the dependent variable for this experiment?

what is genetics meaning in science humans

Question 3 of 5
Which statement describes climate and not weather?
O A. Seattle usually gets a lot of rain in December
B. It is raining very hard today in Seattle.
O C. Last week in Seattle, it rained three inches.
D. Some low-pressure systems lead to rain.
SUBMIT

Which of these observations does NOT provide evidence for the heliocentric model of our solar system?


Planets move in elliptical orbits.


Comets move in regular, elliptical orbits.


Venus shows phases, just like the Moon.


Earth's gravitational pull keeps its moon in orbit.

Membrane-bound organelles are not found in the cells of

A) Bacteria B)fungi C)plants D) Protists

how did eukaryotic cells evolve prokaryotic cells?

Why is it important that the DNA is replicated during the S phase of interphase

Peas have two traits that are passed down
I=smooth skin
G=green
g=yellow
R=wrinkled skin
A RRGG pea crossed with a RrGG pea
a What is the % wrinkled and green?
b. What is the % smooth and green?
c. What is the % wrinkled and yellow?
d. What is the % smooth and yellow?

A collection of organisms that make up a community as well as all of the nonliving
aspects of the environment.

What gas does a plant release that a consumer needs?

At what location is the star with the greatest initial mass most likely to be found?

Location A
Location B
Location C
Location D

1. How might GM crops affect the environment?
2. What are the benefits of GM corn to the farmer?
3. What are the environmental benefits of using GM corn?
4. How can GM corn be harmful to the environment?

Annie has a soccer ball and a kickball. She kicks each ball with the same force. The soccer ball accelerates at 3 m/s2, and the kickball accelerates at 5 m/s2.

Use Newton’s laws to describe why the kickball has a greater acceleration.

One year a hare is born without a thick coat of fur. What will most likely happen to this hare?
OA.
It will survive better than the other hares.
OB.
It will not be able to find water.
OC.
It will have problems finding food.
OD.
It will not survive the cold temperatures.

Question 1 of 10
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V
Go
1. Choose the word that correctly completes each sentence. (3 points)
Conglomerates and sandstones that are strongly cemented by
resist weathering longer than some igneous
rocks do
a. rate
b. silicates
C. clay
Shales that are not firmly cemented may break up to form
The
at which these sedimentary rocks weather depend
mostly on the material that holds the sediment grains together.
Submit answer
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End quiz

How are electromagnets different from other magnets?

How can I make a 3-D brain model ?​

Index fossils come from types of organisms that lived during only a relatively short period of time, were abundant, and
were widespread geographically. Index fossils can therefore used to determine the relative age of rocks found in
different areas. Index fossils help to match
A)
fossils from land and sea.
B)
rock layers from different areas.
plants to the animal life that ate them
D)
sedimentary rocks with igneous rocks formed at the same time.

1.) What is an organism’s niche?
a.) the physical environment of the organism
b.) the role that an organism plays in the environment
c.) the traits that increase an organism’s survival
d.) the competitors and predators of the organism

2.) Which describes the habitat of a frog?
a.) color for camouflage
b.) prey for snakes
c.) eats insects
d.) marshes and ponds

3.) Elephants shape their environment in many ways. They can change a forest to a grassy field or dig a hole that might become a pond. They clear large amounts of vegetation, which removes habitats for some organisms but makes the area inviting for other organisms. Which best describes possible interactions of elephants with the surrounding ecosystem?
a.) positive
b.) negative
c.) neither positive nor negative
d.) both positive and negative

I’ll give 30 extra points if someone answers this I need help omg.

Please I need help!!

Thé graph shows he distance the car traveled,y, in x hours.


What is the rise over run for the relationship represented in the graph?

A 35
B 1 over 35
C 40
D 2 over 17

Which word best describes how many alleles there are for most genes: one, two, or multiple?

What percent of
an adult
animal's body is
water?
15%
75%
45%
90%