State that some toxins, e. g. nicotine, and pathogens, e. g. rubella virus, can pass across the placenta and affect the fetus

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

What is the next step in muscle contraction after the actin changes shape? (apex)

Which of the following was a characteristic of a dromaeosaur? modified front claw grasping with their forelimbs both a and b none of the above