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Arada [10]
3 years ago
15

What event marked the end of the mesozoic era and the beginning of the cenozoic era

Biology
1 answer:
Elina [12.6K]3 years ago
4 0

An astroid impact killed off the dinosars which in turn made the first primates evolve.

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Which statement best describes the outcome of both meiosis and mitosis
Anvisha [2.4K]

Answer:

Cell division results in daughter cells that contain DNA. Each daughter cell has two complete sets of chromosomes. Within a cell, two chromosomes pair up and exchange segments of genetic material.

Explanation:

6 0
3 years ago
If you were to magnify a cell 10,000-fold (typical of the magnification achieved using an electron microscope), how big would it
Amiraneli [1.4K]
In this case i am supposed to use the formula of magnification as indicated in the here 

Magnification=size of the image divided by the size of the object

so in this case we have been given magnification and the size of the object

magnification=×10, 000 and size of the object=50 micrometer

size of the image=10000×50
                           =50,0000 micrometers
5 0
3 years ago
Why do you think the human stomach pH range is 2.0 - 3.0?
Inga [223]

Answer:

The stomach has a pH between 1.5 and 3.5 generally and this is due to the cells in the stomach releasing hydrochloric acid.

Explanation:

So as cells in the intestines gradually release more and more sodium bicarbonate, the pH raises from around 1 to around 7. Answer 2: The stomach usually has a pH of 2 or 3

7 0
3 years ago
Classify the following organisms into their respective kingdoms (i) Yeast (ii) Penicillium (iii) Rhizobium (iv) Mushroom (v) Amo
lions [1.4K]

Answer:

(i) Yeast- Kingdom Fungi

(ii) Penicillium- Kingdom Fungi

(iii) Rhizobium- Kingdom Eubacteria

(iv) Mushroom- Kingdom Fungi

(v) Amoeba- Kingdom Protista

(vi) fish- Kingdom Animalia

Explanation:

Living organisms were classified into a large group called KINGDOM, which represent the largest and most generic grouping consisting of organisms that share a few similarities. The kingdoms that living organisms were classified into are as follows: Plantae, Animalia, Fungi, Protista, Eubacteria, Archaebacteria, etc.

Based on the question, the mentioned organisms are classified into the following kingdoms:

(I) Yeast: Yeast is a unicellular microbe classified under the Kingdom Fungi due to possession of chitin in its cell wall and other similar features with members of kingdom Fungi.

ii) Penicillium- Penicillium is a genus classified under the Kingdom Fungi.

(iii) Rhizobium- Rhizobium is a genus of prokaryotic organism (lack membrane-bound nucleus and organnelles) classified under the Kingdom Eubacteria.

(iv) Mushroom- Mushrooms are saprophytic (heterotrophic) species of organisms classified under the Kingdom Fungi.

(v) Amoeba- Amoeba is a genus of unicellular eukaryotes classified under the Kingdom Protista.

(vi) fish- Fishes are organisms classified under the Kingdom Animalia

3 0
3 years ago
Since neither pink or blue is dominant over the other, and some plums are purple, what type of inheritance pattern does this dis
babymother [125]
There aquired fruits
8 0
3 years ago
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