Answer:
The water in the kelp forest is much colder than the water in a coral reef.
Explanation:
This is because the depth of each are different, along with the different types of animals and plants surrounding them.
their appearance and functions are different.
This is because the liver cell
(1) contains different genes than the muscle cell
(2) expresses different genes than the muscle
cell
(3) destroys the muscle cell genes it contains
(4) lacks the genes found in muscle cells
Answer: The correct answer is-
(2) expresses different genes than the muscle cell.
Liver cell and muscle cell in human are developed from the same single cell but perform different functions that is they are specialized to perform particular function.
It is because there is differential expression of genes in these cells. In other words, specific genes are turned on to perform specific functions and other genes are turned off.
Gene expression means transcription ( formation of mRNA from DNA) and translation ( formation of protein from mRNA) of gene ( a DNA segment, which codes for particular protein) so as to form a specific protein or polypeptide.
The protein thus produced, provides specific function to the cell.
Thus, different genes are expressed in specialized cells ( such as muscle and liver cell), which enables them to perform specific functions.
Food chains is a path that energy flows in an ecosystem and it usually indicate the level of eating within an ecosystem.
Producers are organism that usually absorb the sun’s energy and thereby convert the energy into food for growth and to make fruits or flowers. Examples include plants, algea
Primary Consumers: they are organism that only eat plants and can also be refers to as herbivores. However, example of herbivores includes grasshopper and bees.
Secondary consumers: they are organisms that eat both producers and primary consumers. They can be refers to as omnivores. Example includes beetle and wasp.
Level of Food chain
Plant---------Grasshopper---------Beetle
A food chain consisting of a producer, primary consumer, and secondary consumer includes grass as the producer, rabbits as the primary consumer, and foxes as the secondary consumer.
An example of a food chain that consists only of a producer, primary consumer, and secondary consumer is as follows:
In this example, the grass is the producer as it produces its own food through photosynthesis. The rabbit is the primary consumer as it feeds on the grass. The fox is the secondary consumer as it preys on the rabbit.
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B. Single-celled eukaryotes that sometimes grew in colonies
C. Multi-cellular organisms that were probably autotrophic.
D. Multi-cellular organisms with an alternation of generations lifecycle.
The correct answer is B. Single-celled prokaryotes that sometimes grew in colonies