MEDIUM
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What is the implication of an increase in population growth?

Important Questions on Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.

EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Earth day is celebrated on:
EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Why do animals migrate? Give examples.
MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Fishes have swim bladder for swimming.
EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
How do streamlined bodies help water animals?   
EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Big-horn sheep are found on mountains.
EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

List the adaptations found in the following living organism:
Snow leopard

EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Animals that live in the mountains have
MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Describe any two adaptations present in the yak which helps it to survive in its habitat.
MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Most fishes do not have a streamlined body. 
MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
What are the various adaptations in aquatic animals which make their bodies waterproof?
MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

State the importance of the following feature.

Hooves of yaks and mountain goats.

EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

Write two adaptive features of a mountain goat.

MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Give reasons for the following:
Animals found in mountains have thick skin or fur.
EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Fish swim with the help of gills. 
EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
What is blubber? Name the animal, that has blubber. Where is the animal found?’ Write down the use of blubber.
HARD
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

All animals need salt. Even butterflies drink salty water from the edges of ponds and even from the tears of turtles. Do fish that live in the sea need salt? What do they do if they take in too much of it from seawater?

EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

List the adaptations found in the following living organism:
Yak

EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.
Cotyledons are also called-
MEDIUM
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

Describe one adaptation that helps yak survive in its habitat.

EASY
Life Sciences>Biological Evolution: Unity and Diversity>Apply concepts of statistics and probability to support explanations that organisms with an advantageous heritable trait tend to increase in proportion to organisms lacking this trait.>Natural Selection - Natural selection occurs only if there is both (1) variation in the genetic information between organisms in a population and (2)variation in the expression of that genetic information—that is,trait variation—that leads to differences in performance among individuals.The traits that positively affect survival are more likely to be reproduced, and thus are more common in the population.

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Observe the picture and name this animal.