Three reasons a species could become extinct include, deforestation, being overhunted, not enough food available.
Answer:
Cartilage is a type of connective tissue formed of two types of cells, chondrocytes and chondroblasts, and an abundant, highly specialized and vascular extracellular matrix. It is a good tissue of choice because it has the function of supporting soft tissue (tracheal rings, for example), lining the joint surfaces of bones, and promoting the formation and growth of long bones.
Hyaline cartilage is the most common cartilage in the human body. It has a cool translucent bluish-white color and is responsible for the formation of the temporary skeleton in fetal development until this skeleton is replaced by bone tissue. Found mainly supporting the nasal passages, the trachea, and the bronchi, at the ventral end of the ribs and covering the articular surfaces of the long bones.
The diagram for evolution of plants in the 4 stages is attached below.
<u>Explanation:</u>
The plants evolution has 4 main periods:
<u>A. 1st Period of Plant Evolution
</u>
About 420 million years ago, plants evolved from algae. Formation of cuticle was the first terrestrial adaption.
<u>B. 2nd Period of Plant Evolution
</u>
Abut 400 million years ago, the diversification of vascular plants came into being. The early vascular plants lacked seeds.
<u>C. 3rd Period of Plant Evolution
</u>
This was around 360 million years ago, that the seed evolved. The plants had seeds, but they did not have any covering, so they were called naked seeds. These plants were gymnosperms.
<u>
D. 4th Period of Plant Evolution
</u>
This was the evolution of flowering plants, happened around 130 million years ago (during early Cretaceous period). The flowering plants were called angiosperms.
The answer is graduated cylinder.
Dani requires a graduated cylinder to measure
the volume of the pebbles. A graduated cylinder is actually laboratory
equipment to measure the volume of a liquid. Dani must place a specific amount
of liquid in the cylinder and record the amount. Dani will then put the pebbles
inside the cylinder and subtract the amount of liquid previously recorded to
the current amount to get the volume of the pebbles.
Explanation:
Vascular plants have two distinct organ systems: a shoot system, and a root system. The shoot system consists stems, leaves, and the reproductive parts of the plant (flowers and fruits). The shoot system generally grows above ground, where it absorbs the light needed for photosynthesis.
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