BIOLOGY HIGH SCHOOL

What is intramembranous ossification? the formation of bone from preexisting hyaline cartilage models
the formation of bone from preexisting elastic cartilage models
the formation of bone from preexisting fibrocartilage models
the formation of bone from fibrous membranes

Answers

Answer 1

Answer:

Answer is (D)

Explanation:

Intramembranous Ossification is the procedure in which development of bones from fibrous membranes.
It is engaged with the development of the mandibles,the clavicles and the level bones of the skull.

Hardening starts as mesenchymal cells structure a layout of things to come bone.
They at that point separate into osteoblasts at the hardening community.
Osteoblasts emit the extracellular framework and store calcium, which solidifies the network.

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The function of the goblet cells is to ________.A. absorb nutrients from digested food and store them for future use
B. produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion
C. secrete buffers in order to keep the pH of the digestive tract close to neutral
D. provide protection against invading bacteria and other disease-causing organisms that enter the digestive tract in food

Answers

The function of the goblet cells is to produce mucus that protects parts of the digestive organs from the effects of powerful enzymes needed for food digestion.

What is the Area past the continental shelf called?

Answers

Answer:

Explanation:

Continents are the seven main divisions of land on Earth. A continental shelf extends from the coastline of a continent to a drop-off point called the shelf break. From the break, the shelf descends toward the deep ocean floor in what is called the continental slope.

1. The gametophytes of gymnosperms are found inside reproductive structures called a. flowers.
b. cones.
c.embryos.
d. ovules.
2. In gymnosperms, the female gametophyte develops inside the
a. seed.
b. pollen cone.
c. pollen grains.
d. ovules.
3, Which of the following gymnosperm reproductive structures is haploid?
a. pollen grains
b. seed cone
c. seed
d. cone scale

Answers

Q1. The answer is b. cones.
Reproductive structures of gymnosperms are cones while reproductive structures of angiosperms are flowers. The gametophytes are found in reproductive structures which are called cones in gymnosperms.

Q2. The answer is d. ovules.
The female gametophyte of gymnosperms develops inside the ovules borne on the surface of ovuliferous scale of an ovulate cone while the female gametophyte of angiosperms develops inside the ovules located inside the gynoecium of the flower.

Q3. The answer is a. pollen grains.
Nevermind if a gymnosperm or an angiosperm, pollen grains are always haploid structures so when they fuse with haploid female gamete, a diploid zygote is formed.

Lesson 12: Seed plants

1.Seed-bearing plants differ from all other plants in that

C.Their gametes do not require water for fertilization to occur.

2. IN seed plants, what is an important difference between gymnosperms and most angiosperms.

3. The gametophytes of gymnosperms are found inside reproductive structures called

B. Cones

4. In gymnosperms, the female gametophyte develops inside the

D. Ovules.

5. Which of the following gymnosperm reproductive structures is haploid?

A. Pollen grains

!100!% Correct Hope its help

Claude bernards first recognized

Answers

The correct answer is Claude Bernard first recognised stomata opening and closeing to mantain homeostasis.

The orange color of carrot roots and marigold flowers comes from cell bodies known as chromoplasts. True False

Answers

The question says,'the orange colour of carrot roots and marigold flowers comes from cell bodies known as chromoplasts. The statement is true. Chromoplasts are coloured plastids, they usually contain a yellow or orange pigment. They can be found in roots, leaves, fruits and ageing leaves and are responsible for the distinctive colours of these plant parts.

Which of these is NOT an example of biting and chewing insect?(A)

Locust

(B) Grasshopper

(C)

Aphid

(D) Termite

(E)