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olchik [2.2K]
3 years ago
15

Can someone make me a storyline about protist? It doesn’t have to be a whole story but something I can go off of?

Biology
1 answer:
Vitek1552 [10]3 years ago
4 0

Answer:

Protists are a diverse collection of organisms that do not fit into animal, plant, bacteria or fungi groups. While exceptions exist, they are primarily microscopic and made up of a single cell (unicellular), according to the educational website CK-12.

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Which type(s) of economies interact with other economies?
Anni [7]

Answer: b. only open economies

A closed economy is a self=sufficient economy and does not need trade activity with outside economies. There are no imports and exports.

An open economy is its opposite. It is the type of economy which interact with other economies.

<span>Trade exists in many forms like  managerial exchange, technology transfers, and all kinds of goods and services. Economic advantages for citizens of a country with an open economy: 1) Consumers have larger variety of goods and services from which to choose and 2)  they have the opportunity to invest their savings outside the country. </span>

7 0
3 years ago
Barred feather pattern is a Z-linked dominant trait in chickens. What offspring would you expect from (a) the cross of a barred
Bezzdna [24]

Answer:

Let the "barred" allele be caller B and the "non-white" allele b. Since chickens use chromosomes Z  and W to determine sex, hens would have chromosomes ZW, and roosters would have chromosomes ZZ. A Z-linked gene is represented as a superscript on the Z chromosome, Z^{B} for the dominant allele and Z^{b} for the ressesive allele.

A barred hen would have a copy of B on its Z chromosome, a non-barred rooster would have both copies of b on both Z chromosomes. Using Punnet squares to represent the crosses we get the following cases:

\begin{center}\begin{tabular}{ |c|c|c|c| }\ & Z^{B} & W \\ \ Z^{b} & Z^{B}Z^{b} & Z^{b}W \\ \ Z^{b} & Z^{B}Z^{b} & Z^{b}W \\ \end{tabular}\end{center}

That is a ratio of two barred heterozygote roosters to two non-barred hens. Crossing them we get:

\begin{center}\begin{tabular}{ |c|c|c|c| }\ & Z^{b} & W \\ \ Z^{B} & Z^{B}Z^{b} & Z^{B}W \\ \ Z^{b} & Z^{b}Z^{b} & Z^{b}W \\ \end{tabular}\end{center}

That is a ratio of one barred heterozygote rooster to one barred hen to one non-barred rooster to one non barred hen.

6 0
3 years ago
Which of the following stimuli is least likely to cause an animal to vomit. A. A bacterial infection in the stomach B. Feeling c
kiruha [24]
The correct answer should be A
5 0
4 years ago
Read 2 more answers
CELL STRUCTURE CROSSWORD <br> GRADE 7 BIOLOGY
Snezhnost [94]

Answer:

clearer pic ?

Explanation:

4 0
2 years ago
Which statement is an accurate summary of meiosis?
stealth61 [152]
An accurate summary of meiosis is D. A CELL DIVIDES INTO GAMETES.

Meiosis is a special type of cell division wherein only have of the DNA copies are made. Meiosis divides cells two times. First cell division is Meiosis I and second cell division is Meiosis II. 

In Meiosis I, homologous chromosome pairs are segregated into two new daughter cells. In Meiosis II, the two new daughter cells produced in Meiosis I are again divided producing four daughter cells.
 
These four daughter cells become gametes when they mature. Some types of gametes are sperm, ova, pollen, or spores. They contribute to sexual production when facilitated together with fertilization.

6 0
4 years ago
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