BIOLOGY HIGH SCHOOL

The energy needed to get a reaction started is known as ________________________. activation energy
cell energy
chemical energy
all of the above

Answers

Answer 1
Answer: your answer is activation Energy

Related Questions

Why did we make sure to include a start and stop dna sequences for the jellyfish?
why it is important to know the speed of earthquake waves, the strength of the waves and how do we determine the location of the epicenter of an earthquake. ?
In an experiment, the hypothesis is If the wavelength of the light shining on a plant is shortened, the rate of photosynthesis is slowed down. If this experiment is performed, the dependent variable?
How do beaches form? (Can you please check my answer, I chose B!) A. Beaches form where there is enough surface area to erode.B. Beaches form when the amount of sediment deposited equals the amount eroded.C. Beaches form when more erodes than is deposited.D. Beaches form when more sediment is deposited than erodes.
________ surrounds and protects the embryo.a. The yolk membrane b. The oxygen membrane c. The amniotic membrane

A tapeworm attaches to the wall of its host’s intestine and starts to absorb the host’s nutrients. Eventually this can cause great harm to the host as the host loses many important nutrients.Which type of infectious agent is a tapeworm?

a virus
a bacterium
a fungus
a parasite

Answers

Answer:

A tapeworm is a parasitic infection, aka a parasite.

Answer:

D:a parasite

Explanation:

HOPE IT HELPS:)

Name two ways fore limbs are different than hind limbs

Answers

The fore limbs has the (humerus, ulna, radius, carpals, metacarpals), and digits. While the hind limbs characteristics are the (femur, patella, fibula, tibia,  tarsals, metatarsals), and digits.
The fore limbs tend to be sturdier,stronger and longer.
The hind limbs are more firmly attached to the spine.

Which of the following is not a direct consequence of groundwater use? a. reduced water storage
b. increased surface water levels
c. reduced river flow
d. decreased spring discharge

Answers

The answer is B, increased surface water levels.

Answer:

B

Explanation:I just did it

According to the theory of _____________, mitochondria in cells today are the descendents of aerobic prokaryotes that used oxygen to generate energy.A) endosymbiosis
B) ingestion
C) mutualism
D) parasitism

Answers

Answer: A. endosymbiosis

The theory of endosymbiosis states that mitochondria in cells are once the descendants of aerobic prokaryotes. These prokaryotes used oxygen in order to generate energy. The mitochondria and the chloroplast are among the most important organelles that support endosymbiosis.

Answer:

A

Explanation:

____ are fungi which obtain nourishment from decaying plants. Saprophytes
Spores
Hyphae
Molds

Answers

Saprophytes are fungi that are capable of getting nourishment from decaying plants in order to live their lives longer. They are known to stay in rich soil and in various dead trees. They often reside in decaying wood as well.

Saprophytes are fungi which obtain nourishment from decaying plants.


Answer, saprophytes


A scientist tries to mate the two similar-looking fruit flies Drosophila melanogaster and Drosophila simulans. But he finds that they are unable to produce viable offspring. What kind of evolutionary barrier could this be?A.Chromosomal
B.Postzygotic
C.Physical

Answers

I would say that the kind of evolutionary barrier that this could be is B) postzygotic.
They can produce an offspring, but it can't be viable, meaning that it doesn't survive.
The kind of evolutionary barrier would be : B. Postzygotic

During postzygotic barrier, they do manage to produce offsprings. But that offspring do not has a fertile characteristic and tend not be able to survive and produce the next generation

hope this helps
Other Questions
Which structure does a eukaryotic cell have that a prokaryotic cell does not have?
Two organisms that occupy many of the same niches are most likely(A) mutualistic partners. (B) predator–prey. (C) host–parasite. (D) competitors. (E) commensalistic partners.
A population of snowshoe hare rabbits live in a particular region of the arctic tundra that experiences high winds, extremely cold temperatures, and gets very little snow. Their main predator is nocturnal and hunts by sound. Which of the following mutations would best be classified as an adaptation?A Longer and more vascularized ears B Being less active in the day and more active at night C A dense undercoat of fur beneath a longer top coat of fur D A fur coloration pattern that allows them to visually camouflage with their surroundings
Some clients are excessively responsive to either the primary or secondary effects of a drug. This is known as hypersensitivity, and it may result from a pathological or underlying condition. Which is an example of hypersensitivity? (Select all that apply.)