write T on the blank if the statement is true and F is false.


1.The two types of limiting factors are abiotic and biotic factors.
2.All species has defense mechanism like immunities.
3.Invasive species invade foreign territory.
4.Asteroids hit the earth with extreme force.
5.The heart is located in the thorax between two lungs.
6.The endocardium lies within the middle mediastinum.
7.The wall of the left ventricle are 4x thicker than those of the right.
8.Biodiversity is the number of individual per unit area.
9.The golden toad is the only species to disappear in the past 40 years.
10.Spix's Macaw also called the Giant Blue Macaw.​