If the oarta of the heart is damage, which function of the heart will be affected?

Which of the following lines of evidence would best support your assertion that a particular plant is an angiosperm? a) it produces seeds. b) it retains its fertilized egg within its archaegonium. c) it lacks gametangia. d) it undergoes alternation of generations.

Index fossils are fossils of organisms that question 6 options: lived over a short period of time are not easily recognized are not widely distributed geographically are scarce

Ethylene, a plant hormone, promotes the ripening of fruit. true or false