The _ the time period during which a species lived and the _ the distribution of its fossils, the better an index fossil the species is. shorter; narrower shorter; wider longer; narrower longer; wider

Answers

Answer 1

Answer:

The index fossils have a shorter time period and wider geographical distribution of fossils.

What is an Index fossils?

An Index fossils refers to class of fossils that had a wide geographical distribution and they were present for a comparatively shorter period of time.

They helped in the construction of geological periods that are commonly used today.

Thus, the index fossils have a shorter time period and wider geographical distribution of fossils.

Therefore. the Option B is correct.

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Which organ contributes to the homeostasis of riboflavin by removing the excess?

Answers

Each body structure from chemical to systemic level

How are living mammals classified into groups? A. type of circulatory system B. method of development C. method of respiration D. method of regulating body temperature

Answers

The correct answer is option B

The mammals are further classified into groups in terms of development of the offspring. There are various types of mammals that development in different way.

Placental Mammals:

The embryo grows inside the body of the mother by the help of placenta which aids in the nourishment of the embryo. After birth, the mother cares for the young ones.

Marsupials:

They lack placenta and in place of placenta they have marsupium that provides nourishment to the young ones after birth. This is a pouch found in the body of the mother which acts as the protective covering of the embryo in which further development of the young ones takes place.

Monotremes:

These kind of mammals lay eggs, eggs are hatched and the young ones lick the milk from the abdomen of the mother.

Living animals are classified in groups by their method of development.

Hope this helped!
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What is the main function of the reproductive system?

Answers

The major function of the reproductive system is to make sure that the human species survives. It is not necessary for every human being to produce children, but in order to continue our human species, at least some people have to have children. The four main functions of the human reproductive system are: To produce egg and sperm cells, to transport and sustain these cells, to nurture the developing offspring, and to produce hormones.
All of these functions are divided by their primary and secondary, or accessory, reproductive organs.

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Answer:

To continue the species!!

Explanation:

Good luck on the rest of the test!

State the functions of the following PARTS OF AMNIOTIC EGG 1 Embryo 2 Shell 3 Shell membrane 4 Air sac 5 Albumen 6 Yolk 7 Yolk sac 8 Amnion 9 Chorion 10 Allantois

Answers

Answer:

1.Embryo is an underveloped form of the bird at its early state of development usually few weeks old like a week.

2.Shell acts as it's outer covering.

3. Shell memberance acts as a semipermeable memberance for substances to leave or enter the Shell.

4. Air Sac contains a means of respiration for the Embryo.

5. Albumen is the part of the egg reach in protein or the white part you see after cooking.

6. Yolk contains the nutrient

7. Yolk Sac contains yolk

8. Amnion acts as shock observer, liquid suspension of the embryo and as a waste absorber.

9. Chorion is the outer embryonic memberance.

10. Alantios is a memberance that contains blood vessels that feeds the embryo,

Explanation:

Refer to the answers memberance is usually a surface that is permeable to certain substances.

The word which means to cut into two parts is _____. dichotomy morphology nomenclature

Answers

Dichotomy. The word dichotomy means to split or divide into two parts. In biology, it is commonly used a as tool in helping people identify things. For example, in the question: does it have a nucleus? It divides species into prokaryotes and eukaryotes. The presence of nucleus is the dichotomous key.

i think its dichotomy i hope its write because im in six grade and i dont know this

If Joyce has tendonitis, she should _____. A: change the intensity of her workout.
B: completely change the type of workout she is doing.
C: change her mindset.
D: avoid exercises with excess repetition.