Why don't ecosystems systems exist between fresh and salt water systems?

Give a scenario where a cell may need to perform a form of endocytosis

What organelle would muscle cells have a lot of and why?

The lava released by a volcanic eruption separates two populations of a species of monkey. What does this represent? A biological isolation B geographical isolation C temporal isolation D anatomical isolation

Where are enzymes found in the digestive system

Scientists use instruments to record the strength of earthquakes in an area. scientific method

Which of the following correctly displays the sequence of developmental milestones? A) blastula → gastrula → cleavageB) cleavage → gastrula → blastulaC) cleavage → blastula → gastrulaD) gastrula → blastula → cleavage

What is true about DNA

Can a person with type O blood receive any other blood type besides type O? Why?

Why do it rain in the sun

The table below shows the number of foot bones in some horse fossils. Horse Fossil Record Horse Fossil Number of Foot Bones P 19 Q 17 R 24 S 13 Ancient horses had more bones in their foot then present-day horses.