what are the answers to these? little stuck

Answer:

for question 5 it is true, for question 3 it is true, question 1 is true, and question 2 is true.

Explanation:

Which has increased at about the same rate as global temperatures over the past 100 years?
A sunlight reaching Earth
B Volcanic eruptions
C Tree rings
D carbon dioxide
Please help thank you

How Natural Selection change in a population overtime? With white/speckled moths and black moths.

Seed Germination Investigation
 The students are to investigate the process of seed germination during their summer
vacation.
 They will select different types of seeds, such as beans, peas, or sunflower seeds.
 Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
 They should observe and document the changes that occur over time, including the
emergence of roots and shoots

Examine the diagram of a cell. Which accurately labels the lysosome?

Which measurement do geologists use to find the absolute age of once-living things?

amount of decayed daughter elements
total number of half-lives for the element potassium
age of ancient rocks located near the remains
amount of carbon-14 and nitrogen-14 in the remains

The following is an aquatic ecological pyramid.

Which trophic level represents the secondary consumers or the organisms that rely on the herbivores? How does their energy compare to the primary consumers?
B; the secondary consumers have more energy than the primary consumers.
B; the secondary consumers have less energy than the primary consumers.
C; the secondary consumers have more energy than the primary consumers.
C; the secondary consumers have less energy than the primary consumers.

____cells need a way to____ and____ their own process and functions


Please my grades are being checked today!! <3 thnx

Help with True or False Cell Facts:

______ 1. All living organisms are made of cells.

______ 2. Most organisms have specialized cells that perform different functions.

______ 3. Most organisms have many types of cells.

______ 4. Most cells are easy to observe.

______ 5. Cells come in various shapes and sizes depending upon their function.

______ 6. Some organisms consist of a single cell.

______ 7. All organisms have organs and/or body systems.

______ 8. Cells combine to form organ systems, organ systems combine to form tissue, and tissues combine to form organs.

HURRY!!!! Pls helpppp! <3

How are artificial selection and natural selection different? Select the best answer from the choices below.

a
In artificial selection, animals that are more likely to survive reproduce
b
In artificial selection, members of a species must compete to survive
c
In natural selection, people impact which traits are passed on
d
In artificial selection, humans choose which organisms reproduce

What does it mean if you set a world record?

In 1953, Stanley Miller and Harold Urey built a model of Earth's early

atmosphere by mixing gases that were thought to have been there. They

exposed the gases to an electric current to simulate lightning. The liquid that

condensed during the experiment contained amino acids.

What was the significance of their results?

Need help pls asap question is in the pic.

what is the life cycle of a Common Frog

Select the sentence that suggests that scientists still have NOT perfectly copied spider’s silk.

A: Spiders evolved this process over hundreds of millions of years, Shah said.
B: The latter two parts are held together by molecules called cucurbiturils that serve as ‘handcuffs.’
C: The fibers are extremely strong- though not quite as strong as the strongest spider silks.
D: This means that if they can be produced at scale, they have an advantage over other synthetic fibers, such as nylon.

Does a vaccine work on someone who is already sick? Why?

Answer this quickly please

write a paragraph explaining the flow of energy through your food web. (100 points :>)

Scientists think modern green algae and plants are descended from ancient green algae that lived in the oceans. What are similarities between modern green algae and plants? (Select the 4 that apply.)

Highly organized systems like living cells should have _____.

a. High energy

b. High entropy

c. Low entropy

d. Low energy

What is the main difference between a producer and a consumer? Give an example to support your answer.

What is the ethical value of using a model organism, such as zebrafish for doing marine research on pathogens?

The organism can prevent diseases from being transmitted from one species to another, thereby reducing fish mortality.

The organism is immune to all diseases, so the effectiveness of new treatments can be studied over long periods of time.

The organism produces chemicals that can be extracted for use as antibiotics, so they are economically important.

The organism shares its physiology with humans, so testing of new drugs can be done without hurting people.

Write about facts and fiction about the Ice Age movie

Help me out here please

a)Explain how normal rainfall is slightly acidic.
b)Name two greenhouse gases
c)Give 3 sources of acid rain
d)State and explain the process of making acid rain

Which of these factors is involved in earthquake formation?

A cell membrane is selectively permeable when it

Question 6 options:

lets everything in.


keeps everything out.


allows some substances in and others out.


connects to other cells.

Mechanical energy can take on many forms, but these different forms can be categorized as either potential energy or energy of motion. The height an object is dropped from has an effect on the amount of energy in the object. Let’s conduct an experiment to see the effect.
:How does the height of an object affect the amount of mechanical energy it contains?
1:Variables What is the test variable?

what is the structure identified by the arrow in the diagram below?

A. Chromosome
B. DNA Strand
C. Gene
D. Cell

Nguyen uses a triple beam balance to measure the mass of each rock. Read the values on the balance for rocks X, Y, and Z.