They carry a combination of their genetic traits.
Answer: 2.3 g cm^3
Explanation: In this case the rise in level of water is same as the volume occupied by the stone.
a) Volume occupied by the stone = 70 cm^3 – 40 cm^3= 30 cm^3
b) Density = mass/volume
= 69g/30 cm^3 = 2.3 g cm^3
Answer: The population size is recorded for each species present in the construction area before and after the building is completed
This method of collecting data will provide the most accurate information about how an ecosystem is being affected by human development because it studies a lot of different species both before and after the construction.
Respiratory system and the cardiovascular system
Answer:
Keystone Species: Kangaroo Rat Keystone species are species whose presence and role within an ecosystem has a disproportionate effect on other organisms within the system. Hawk (predator)/lizard (prey). scorpion (predator)/insect (prey). if their is no relationship between these two then the scorpions will die off and the insects will thrive.
Explanation:
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