Why did the dinosaur extinction have a happy ending for us? PLEAASEE!!

Explanation:

because if they were still alive today then our species would be endangered

Which is the best explaination for how chemical energy is transferred with cells

All the species classified under the plantar kingdom are

A. Photosynthesis
B. Eukaryotic
C. Multicellular
D. All of the above

does anyone know 1,4,5,8?

If a strand of DNA has the following base sequence, what would the base sequence of the mRNA that is transcribed be?
DNA sequence: TAC CAT GTG AGT AAC CGT CCA ACT
mRNA sequence: AUG GUA CAC

*
what are Consumers that only eat dead organisms
herbivore
O carnivore
O omnivore
O scavengers

please help it’s timed

which statment explains how the fossil record supports the theory of evolution?
A. the fossil record shows how organisims have changed from relativly complex organisims to simpler organisims.
B. The fossil record shows how organisims have changed from realatively simple organisims to more complex organisims.
C. The fossil record shows that all organisms are simple organisims.
D. the fossil record shows that all organisims are complex organisims

This dichotomous key helps scientists classify within the arthropoda phylum. If scientists discover an organism with: less than 10 legs, 6 legs, wings, wings with 1 or 2 colors, with legs that are approximately the same length, wings that are not net-like, and wings that meet in a straight line down the back, how would this organism be classified?

How can you turn off an electromagnet?
A. disconnect the electric circuit. B.Straighten out the wire. C.Take out the Iron box D.you cannot turn off the electromagnet.​

Touch the stigma and notice how it feels. What is the advantage of this type of texture?
A. The sticky texture allows for capture of prey to help with fertilization
B. The sticky texture allows for the exchange of carbon dioxide to assist with photosynthesis.
C. The sticky texture allows for pollen to adhere to the stigma for fertilization.
D. The sticky texture allows for water molecules to not escape from the plant, thus preventing dehydration.​

ATT CGA TCA GAC TAC TAT TTC GAA

What are the 3 most important parts of a seed

What muscle is each number

What structure encloses almost all bacteria? Do bacteria have a structure that encloses the genetic material?

guys help with this plzz
brainlest even if u try ur best :



Vasoconstriction and Vasodilation

__________ carries heat from the core around the body.

As blood flows through the ______________ close to the surface of the ______, heat is lost to the body’s surroundings.

The __________________ which supply the capillaries in the skin have smooth _________ in their walls. This means that the arterioles can dilate or constrict to ____________ the flow of blood into the capillaries.

Your friend makes a claim that the image to the right shows facilitated
diffusion. You are an educated Honors Biology student, and you believe
that he/she is incorrect in their claim. Make a claim as to which type of
cellular transport is represented in the image (1 point)State TWO pieces of
evidence from the image that supports your claim (2 points).*

hello help please i’ll mark brainliest!!!

Place the following elements in order from MOST to LEAST reactive:

Carbon
Iridium
Helium
Sulfur
Hydrogen

Which of these landforms would most likely be found at a divergent boundary? A Fault line B Mid-ocean ridge C Volcanic island D Mountain

Explain the difference between prokaryotes and eukaryotes. Include which type of microorganisms are included in each domain

Hi all!
Pls help me in these 2 simple questions.....
Thanks in advance!

Diffusion is the movement _____.


of molecules to an area of lower concentration

of molecules through the cytoplasm of a cell

of water through a selectively permeable membrane

of molecules to an area of higher concentration

1. What phenotypes would you predict in the F2 generation?​

What happens during fermentation?

a structure in a present day organism that no longer served its natural purpose

plz help will mark brainliest if correct! If the sum of all chemical reactions taking place in an ecosystem results in an overall change in free energy of −9732 kJ, which of the following best describes the impact this will have on the ecosystem?

The amount of energy available to do work will increase.
The ecosystem will move away from equilibrium.
The energy given off as heat to the surroundings will decrease.
The entropy of the ecosystem will increase.

please help! i dont really get this at all

9. Generations are the offspring, or progeny, of common_______

Which two phases do the chromosomes exist as chromatin (unraveled form of chromosomes)?

What do plants use to form
glucose?