Klein first became fascinated with crows at what event?
1 His wedding
2 An outdoor concert
3 A marathon
4 A cocktail party

Answer:

the answer is 4.) a cocktail party

Which of these is NOT a testable hypothesis?
O Plants that receive compost will taste better
O Plants that receive more light will grow at a faster rate
O Adding fertilizer to plants will cause them to grow at a faster rate
O Plants that receive less water will grow at a slower rate

Psychologically, do you feel you are somebody else at times, and that affects your sleep and dreams? Do you think that influences your dreams?

Why should a scientist use a plasmid with a GFP gene when inserting a new gene?

A) The GFP gene will make cells glow green in ultraviolet lights, confirming that the gene
insertion worked.

B) The GFP gene will remove other genes, making it easier to see the effects of the new
gene.

C) The GFP gene is not well understood, so inserting it would be a valuable experiment all
on its own.

D) The GFP gene will stop the gene insertion from falling apart, making the results more
reliable.

What best describes the purpose of taking vitamin supplements?

Fruits can be preserved by adding sugar, making jams and jellies. The high concentration of sugar works to control microbial growth because

Please help! After 1973, American scientists began to make serious efforts to develop technologies that create
electricity from renewable resources. Do you think this step was necessary? Explain your answer.

A woman who is heterozygous for A blood marries a man who has AB blood. What
percent of their children will have A blood?
O 50%
O 25%
O 100%
O 75%

Species that do not provide parental care often lay ___________ of eggs at a time

Which of the following is an example of a difference between planets in the solar system?
a. A planet can have a surface made of either liquid or gas.
b. Some planets have thick atmospheres, while others have thin atmospheres.
c. A planet must have a moon, but it can differ in terms of its size.
d. All planets have rings, but some are very hard to see with your eyes.

What would people in a coastal location in Florida most likely do if there were high winds and dangerous rip currents?

A) Avoid swimming in the ocean waters
B) Engage in recreational activities on the beach
C) Install equipment to harness the wave power
D) Move to inland locations temporarily

What is the second largest phylum in the animal kingdom? ​

please help me i’ll give you brainlist

Flatworms are resistant to the immune system and digestive juices of the host
because of this outer layer?

WILL MARK BRAINLIEST!!!!
In arthropods, What are the tubes that enhance respiration called?

Farmers may not select the DMC approach because of its short adaptation period.

True
False

What is made of a single, long molecule of DNA?


chromosome


allele


nucleus


protein

During winter, Alaska typically sees a decrease in the number of prey animals. In
order to survive, Arctic Foxes will eat berries, seaweed, insects, and larvae. If it is so
cold one winter that even these foods are depleted, Alaska's population of Arctic
Foxes is likely to -

What are the parts of the nervous system? Select all that apply.

Question 2 options:

spinal cord


nerves/neurons


brain


heart

I need help with this please

Choose the best explanation of the difference between evolution and natural selection. Question 13 options: A) Evolution is the idea that species change over time, and natural selection is the idea that nature changes over time. B) Natural selection is the idea that species change over time, and evolution is the idea that the species' food source also changes over time. C) Evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place. D) Natural selection is the idea that species change over time, and evolution is the idea that our world changes over time.

Please help me How do water particles in a wave move?

Question 2 options:

In a circular motion.


In a straight line with the wave.


They do not move.


They move backwards.

5 points
The burning of fossil fuels and other human activities are contributing to
increasing carbon dioxide levels in the ocean. In one ocean ecosystem,
the change in carbon dioxide levels is causing an increase in the algae
population and a decrease in the phytoplankton population. Algae and
phytoplankton both produce energy through the process of
photosynthesis. Which of the following describes how human activity will
likely affect this ocean ecosystem?*
o
It will increase biodiversity of producers.
It will improve water quality.
It will stabilize ocean temperatures.
It will alter marine food webs.

Pls heeeeeeeeelllllllllllpppppppp

In this project, you will analyze claims about the causes of inherited genetic variation. You will then make your own claim based on prior knowledge. Next, you will defend your claim by conducting research to gather information that supports it. Finally, you will present your claim and defense in a typewritten paper.

can you please guys help ?

Why is the making of sedimentary rock a physical change? ​

2. What is the purpose of mitosis?
A. To produce 2 cells, each with 1 complete set of chromosomes.
B. To produce 2 cells, each with half the normal number of chromosomes.
C. To produce 4 cells, each with 1 complete set of chromosomes.
D. To produce 4 cells, each with half the normal number of chromosomes.

What do you think which cell will be moving a sprem cell or an egg cell and why?​

What three spirals mentioned in the text are the only ones moving toward us?
Pleas

There are two processes involved in photosynthesis the light reactions and the dark reactions. What is the end product of the light reactions?

carbon dioxide

chlorophyli

ATP

glucose​