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DerKrebs [107]
2 years ago
7

The Cretaceous-Tertiary extinction, the most famous of the Big Five, has been attributed to what major event(s) that triggered t

he extinction of the dinosaurs? an asteroid hitting the earth massive volcanoes erupting around the world rapid growth of forests on land surfaces falling sea levels increased competition from mammals
Biology
2 answers:
polet [3.4K]2 years ago
5 0

This question has a two part answer. The first part is that an asteroid hitting the earth and the second part is massive volcanoes erupting around the world.

inna [77]2 years ago
3 0

Answer:

The correct answers are "an asteroid hitting the earth" and "massive volcanoes erupting around the world"

Explanation:

The Cretaceous-Tertiary extinction was an event that take place approximately 66 millions years ago responsible of taking the life of about three-quarters of the plant and animal species on Earth. Two different events are the ones that contributed to this massive extinction: an asteroid hitting the earth and massive volcanoes erupting around the world. The asteroid was 10 to 15 km wide, impacted on Mexico's Yucatan Peninsula, and caused global environmental damage. This damage inlcude triggering the eruption of most active volcanos in the world.

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A decrease in the number of pathogens in that body.

Hope this helps!
7 0
2 years ago
.What are the genotypes of the parents in the monohybrid cross below if the following offspring genotypes are predicted?
Anit [1.1K]

As you can see in the diagram presented below, the correct genotypes of the parents are TT and Tt.

Each parent give its children only one chromosome of the chromosome pair, therefore only one allele of the gene.

In our case, TT and Tt is the correct answer because one of the parents has to have the t allele to give to the Tt offspring.

But if both of the parents were Tt, one of the offspring would have tt genotype, and if the parents were TT and tt, all of the offspring would be Tt. Therefore, the TT x Tt combination is the only possible answer.

5 0
2 years ago
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Explain the relationship among
Iteru [2.4K]

Answer:

There is an important relationship among  homeostasis, defective mitochondria, and the  symptoms caused by LHON.

Explanation:

There is a great relationship among  homeostasis, defective mitochondria and the  symptoms caused by LHON because defective mitochondria disturbs the homeostasis in the body. If mitochondria works properly, homeostasis will be maintained whereas if there is any defect occurs in the mitochondria then the whole homeostasis will be adversely affected because mitochondria is the powerhouse of the cell responsible for the production of energy for the cell. Symptoms occurs due to Leber's hereditary optic neuropathy (LHON) also effected the state of equilibrium in the body.

6 0
2 years ago
Which type of cell adhesion is useful for anchoring cells together and defending against shear forces on tissues
Angelina_Jolie [31]

Answer:

Desmosomes

Explanation:

Desmosomes are cellular structures that adhere to neighboring cells. Its function is to hold the epithelial cells together, associating the intermediate filament cytoskeletons of neighboring cells, thus forming a transcellular network with high resistance to mechanical traction. It thus allows the cells to maintain their shape and the epithelial sheet to exist in a stable form. Inside cells act as anchoring sites for intermediate rope-shaped filaments, which form a structural network in the cytoplasm providing a certain rigidity. Through these junctions the intermediate filaments of the adjacent cells are indirectly connected forming a continuous network that extends throughout the tissue.

7 0
1 year ago
A chemical equation lists CH3COOH(aq) as a reactant. What does (aq) indicate?
Dvinal [7]

Answer:

The compound is dissolved in water

Explanation:

"aq." is the abbreviation for "aqueous" ( watery).

In chemical equations the symbol (aq) means that the substance is dissolved in water.

3 0
1 year ago
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