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Arisa [49]
3 years ago
6

In 2001, scientists announced that they had discovered a species of dinosaur called albertaceratops nesmoi that they believed to

be an ancestor of another better-known dinosaur species. how would scientists have determined that this newly discovered species was related to other known species of dinosaur?
Biology
2 answers:
Hitman42 [59]3 years ago
6 0

The answer is C. Does anybody really read explanations?

Igoryamba3 years ago
5 0
Scientist made detailed analysis of the fossilized  bones of each species. <span />
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Which of these biomes tends to receive the most rainfall?
GaryK [48]

Answer:

O B. Rain forest

Explanation:

5 0
3 years ago
Cells starting mitosis and meiosis begin with what set of chromosomes. True or False
Arisa [49]

Answer:

with haploid or diploid set of chromosomes. True

Explanation:

There are two types of cells in the body, haploid cells and diploid cells. The biggest difference is related to the number of chromosomes that each cell contains, while diploid cells contain two chromosomes (2n), haploid cells contain a chromosome (1n).

Features:

1. A haploid cell has only one set of chromosomes (n), while diploid cells have two sets of chromosomes (2n).

2. In humans, somatic cells are diploid, while gametes are haploid.

3. Diploid cells develop as a result of mitotic cell division, while haploid cells develop as a result of meiotic cell division.

4. Mitosis produces 2 identical daughter cells, where both stem and daughter cells are diploid. In meiosis, a diploid cell divides twice to produce 4 haploid daughter cells.

5. Humans and most animals are considered diploid organisms, while algae and fungi are examples of organisms that are haploid in most of their lives. Male bees, wasps and ants are also haploid.

5 0
3 years ago
List four ways in which members of the same species can cooperate with each other.
ArbitrLikvidat [17]
Cooperation is common in non-human animals. Besides cooperation with an immediate benefit for both actors, this behavior appears to occur mostly between relatives.[1] Spending time and resources assisting a related individual may at first seem destructive to the organism’s chances of survival but is actually beneficial over the long-term. Since relatives share part of their genetic make-up, enhancing each other’s chances of survival may actually increase the likelihood that the helper’s genetic traits will be passed on to future generations.[6] The cooperative pulling paradigm is an experimental design used to assess if and under which conditions animals cooperate. It involves two or more animals pulling rewards towards themselves via an apparatus they can not successfully operate alone.[7]
7 0
3 years ago
In Drosophila, the genes for body coloration and eye size are on different chromosomes. Normal-colored bodies are dominant to eb
Yuri [45]

Answer:

225 flies

Explanation:

Let gene for body colour : A

Let gene for eye type : B

Parent 1 : normal body and normal eyes = AABB

Parent 2: ebony body and eyeless = aabb

F1 : AABB X aabb = AaBb ( all have normal body and normal eye )

F1 progeny is self crossed given that the two genes are on different chromosomes which means they show independent assortment:

AaBb X AaBb =

A_B_ = normal body, normal eyes = 9

aaB_ = ebony body, normal eyes = 3

A_bb = normal body, eyeless  = 3    

aabb = ebony body, eyeless  =   1

Hence the ratio is 9 : 3 : 3 : 1

Out of the 400 flies:

(9/16) * 400 = 225 flies have normal body colour and normal eyes

7 0
2 years ago
2. Write the complementary code for the following DNA replication.<br> A A T C G G C A T T A C O
Harlamova29_29 [7]

Answer:

T T A G C C G T A A T G   is the complementary DNA strand.

Explanation:

A=T  G=C  C=G  T=A

this is the key to all DNA complementary strands.

(not sure what the "O" was at the end but- it's ok)

Hope this helps! :)

4 0
2 years ago
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