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zimovet [89]
4 years ago
6

Which of the following are examples of cephalopods? a. squid's b. jellyfish c. cuttlefish d. both a and c

Biology
2 answers:
aleksklad [387]4 years ago
7 0

Explanation:

Cephalopods are organisms tha belong to the class Cephalopoda, which is composed by squids, octopus and nautilus.

The options we have are squids, jellyfish and cuttlefish. The two last ones do not belong to the Cephalopoda class, and also do not have the characteristics to be considered one.

Answer:

A.

Hope it helped,

BioTeacher101

dlinn [17]4 years ago
3 0

Answer:

d. both a and c

Explanation:

Cephalopods are aquatic organisms that are invertebrates which means that they have no back bone. They are found mainly in marine water. They have tentacles which they use for movement and catching of their prey.

They are called Cephalopods because their tentacles and arms protrude out of their head. They reproduce sexually.

Examples of Cephalopods include Squid, Cuttlefish , Octopus.

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Mr. and Mrs. Green have a daughter, Georgia, who was born at Riverside Community Hospital. Mr. and Mrs. Blue have a daughter, Be
Pani-rosa [81]

Answer:

Yes, Mrs Green is correct that Belle is her biological daughter

Explanation:

According to this question, Mr. and Mrs. Green is said to have a daughter, Georgia while Mr. and Mrs. Blue is said to have a daughter, Belle. Both daughters were born the same day. Hence, a controversy occured as Mrs. Green thinks that Belle is her biological daughter.

Based on the blood analysis, the following were obtained:

Mr. Green: Type A

Mrs. Green: Type A

Georgia: Type A

Mr. Blue: Type AB

Mrs. Blue: Type A

Belle: Type O

The genotype of the following blood types is as follows:

Type A - iAiA or iAi

Type B - iBiB or iBi

Type O - ii

Type AB - iAiB

From the analysis of blood types of Mr and Mrs Green, which are both type A, they can possibly produce a child with type A.

However, from the analysis of Mr. and Mrs. Blue, it is impossible to have a child with blood type O. However it is possible for Mr and Mrs. Green if they are both heterozygous (iAi × iAi). The punnet square is attached. Hence, Mrs Green is correct about her claim since Mr. and Mrs. Blue cannot have a child with blood type A.

8 0
3 years ago
Given a population of 100 individuals where 15 are AA, 25 are Aa, and 60 are aa, what is
nata0808 [166]

Answer:

frequency of allele “A” is .39

frequency of allele “a” is .77

Explanation:

hardy weinberg equation

p^2 + 2pq + q^2 = 1 or (A+a)^2

p^2 =  (AA)

2pq =  (Aa)

q^2 = (aa)

AA -> 15/100 = .15

Aa -> 25/100 = .25

aa -> 60/100 = .60

if p^2 = AA = .15 then A = √.15 = 0.38729833462 = .39

if q^2 = aa = .60 then a = √.60 = 0.77459666924 = .77

wikipedia quoraAnkitGauba

6 0
3 years ago
Which describes the paleoanthropology practice of walking the landscape looking for fossils on the surface?
enot [183]

Answer:

The correct answer is : surveying.

Explanation:

Paleo-anthropology is the study of the extinct primates, it is a sub branch of anthropology. It is focused on the human evolution and rise of the sub type of family of the other human or hominids.

Surveying is the one of paleoanthropoolgy practices that involves the finding the fossils of hominids on the surface of all around the globe by walking to compare it and study the evolution of human family.

Thus, the correct answer is- surveying.

3 0
3 years ago
Which is required for sexual reproduction?
m_a_m_a [10]

Answer:

Meiosis

Explanation:

Haploid number of chromosomes

8 0
3 years ago
Read 2 more answers
Mitosis can occur in both haploid and diploid cells, but meiosis cannot occur in haploid cells. Why not?.
allochka39001 [22]

Mitosis can occur in both haploid and diploid cells because it is equational division where the number of chromosomes remain the same after division. But meiosis cannot happen in haploid cells because it is reductional division and haploid cells do not have any extra copy of chromosomes to be halved.

Mitosis is the cell division where the number of chromosomes do not change after cell division. It usually happens in the somatic cells of the body. Cancer cells also undergo mitosis

Meiosis is the cell division where the number of chromosomes are halved after cell division. The process of meiosis occurs in two phases: meiosis I and meiosis II. The germ cells of the body undergo meiosis.

To know more about mitosis, here

brainly.com/question/26678449

#SPJ4

4 0
1 year ago
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