BIOLOGY MIDDLE SCHOOL

What are the main causes of convection currents in the asthenosphere?A. Density and temperature

B. Weight

C. Pressure

Answers

Answer 1
Answer: The answer is A) Density and temperature. Hope it helps and I am 99% sure it is right.
Answer 2
Answer:

Answer:

A. Density and temperature

Explanation:

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What is the meaning of exocytosis ?

Answers

A process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.

How was the brushtail possum transported to its new ecosystem?

Answers

The common brushtail possum was introduced to New Zealand in 1837 to establish a fur industry, but in the mild subtropical climate of New Zealand, and with few to no natural predators, it thrived to the extent that it became a major agricultural and conservation pest.

cnidaria is a phylum consisting mostly of marine, aquatic animals. What types of organisms are included in this phylum?​

Answers

Answer:

Physalia

Adamsia

Pennatula

Gorgonia

Meandrina

What is the egg's role in reproduction​

Answers

Answer: Forming the embryo and providing DNA.

Explanation: The egg is a cell that is used to reproduce. It is the very beginning of what will become the embryo and eventually the baby. The sperm fertilizes the egg and contributes 50% of the embryo DNA to the ova (the other 50% of DNA comes from the egg, however sperm only contributes DNA to the egg during the fertilization process whereas the egg has a much more important role). The sperm and egg meet, the egg becomes fertilized and loaded with the DNA it needs to form. The egg provides nutrients needed for the embryo to grow until it is fully gestated.

Difference between scavenger and carnivore?

Answers

Yeah, most people get confused on this question.


Scavenger - They eat dead animals. EX: Hawk
Carnivore- Kills and eats animals. EX: Lion
Decomposer- De-composes dead material and gives it to soil for nutrients. EX: Fungi
 

Drag each label to the correct location on the chart.Match the function to the type of tissue.
sends signals
between the
brain and body
protects the skin
from bacteria and
other particles
allows shivering
to produce heat
to maintain body
temperature
provides structural
support for the
organs
Nervous Tissue
Muscle Tissue
Epithelial Tissue
Connective Tissue
hentum. All rights reserved.

Answers

Sends signals between the brain and body - Nervous Tissue

Protects the skin from bacteria and particles - Epethelial Tissue

Allows shivering to produce ear and maintain body temperature - Muscle Tissue

Provides structural support for the organs - Connective Tissue

Answer:

Nervous Tissue

Epithelial Tissue

Connective Tissue

Muscle Tissue

Explanation:

sends signals  between the  brain and body - nervous tissue

protects the skin  from bacteria and  other particles - epithelial tissue

allows shivering  to produce heat  to maintain body  temperature - muscle tissues

provides structural  support for the  organs - connective tissue

Nervous tissues are distinct type of tissues within the nervous system responsible for the communication and control between the brain and the rest of the body. They communicate by sending signals between the brain and the body parts.

Epithelial tissues are specialized tissues that line and protect the surfaces of organs both within and outside the body. A special epithelial tissue covers the skin and protect it from bacteria and other particles.

Connective tissues are those found in between other tissues of the body and serve supportive and protective functions.

Muscle tissues are soft tissues that serves to allow movement of body parts as a result of contraction.
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